20131882240

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{2053}}^1$

素因数の和:2284

約数の個数: 144

約数和(自身を含む): 49574423808

約数和(自身を除く): 29442541568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 163, 188, 235, 256, 320, 326, 376, 470, 640, 652, 752, 815, 940, 1280, 1304, 1504, 1630, 1880, 2053, 2608, 3008, 3260, 3760, 4106, 5216, 6016, 6520, 7520, 7661, 8212, 10265, 10432, 12032, 13040, 15040, 15322, 16424, 20530, 20864, 26080, 30080, 30644, 32848, 38305, 41060, 41728, 52160, 60160, 61288, 65696, 76610, 82120, 96491, 104320, 122576, 131392, 153220, 164240, 192982, 208640, 245152, 262784, 306440, 328480, 334639, 385964, 482455, 490304, 525568, 612880, 656960, 669278, 771928, 964910, 980608, 1225760, 1313920, 1338556, 1543856, 1673195, 1929820, 1961216, 2451520, 2627840, 2677112, 3087712, 3346390, 3859640, 4903040, 5354224, 6175424, 6692780, 7719280, 9806080, 10708448, 12350848, 13385560, 15438560, 15728033, 21416896, 24701696, 26771120, 30877120, 31456066, 42833792, 53542240, 61754240, 62912132, 78640165, 85667584, 107084480, 123508480, 125824264, 157280330, 214168960, 251648528, 314560660, 428337920, 503297056, 629121320, 1006594112, 1258242640, 2013188224, 2516485280, 4026376448, 5032970560, 10065941120, 20131882240]

約数ペア:

[(1, 20131882240), (2, 10065941120), (4, 5032970560), (5, 4026376448), (8, 2516485280), (10, 2013188224), (16, 1258242640), (20, 1006594112), (32, 629121320), (40, 503297056), (47, 428337920), (64, 314560660), (80, 251648528), (94, 214168960), (128, 157280330), (160, 125824264), (163, 123508480), (188, 107084480), (235, 85667584), (256, 78640165), (320, 62912132), (326, 61754240), (376, 53542240), (470, 42833792), (640, 31456066), (652, 30877120), (752, 26771120), (815, 24701696), (940, 21416896), (1280, 15728033), (1304, 15438560), (1504, 13385560), (1630, 12350848), (1880, 10708448), (2053, 9806080), (2608, 7719280), (3008, 6692780), (3260, 6175424), (3760, 5354224), (4106, 4903040), (5216, 3859640), (6016, 3346390), (6520, 3087712), (7520, 2677112), (7661, 2627840), (8212, 2451520), (10265, 1961216), (10432, 1929820), (12032, 1673195), (13040, 1543856), (15040, 1338556), (15322, 1313920), (16424, 1225760), (20530, 980608), (20864, 964910), (26080, 771928), (30080, 669278), (30644, 656960), (32848, 612880), (38305, 525568), (41060, 490304), (41728, 482455), (52160, 385964), (60160, 334639), (61288, 328480), (65696, 306440), (76610, 262784), (82120, 245152), (96491, 208640), (104320, 192982), (122576, 164240), (131392, 153220)]