31869760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 112

約数和(自身を含む): 83978496

約数和(自身を除く): 52108736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 130, 160, 163, 188, 208, 235, 260, 320, 326, 376, 416, 470, 520, 611, 652, 752, 815, 832, 940, 1040, 1222, 1304, 1504, 1630, 1880, 2080, 2119, 2444, 2608, 3008, 3055, 3260, 3760, 4160, 4238, 4888, 5216, 6110, 6520, 7520, 7661, 8476, 9776, 10432, 10595, 12220, 13040, 15040, 15322, 16952, 19552, 21190, 24440, 26080, 30644, 33904, 38305, 39104, 42380, 48880, 52160, 61288, 67808, 76610, 84760, 97760, 99593, 122576, 135616, 153220, 169520, 195520, 199186, 245152, 306440, 339040, 398372, 490304, 497965, 612880, 678080, 796744, 995930, 1225760, 1593488, 1991860, 2451520, 3186976, 3983720, 6373952, 7967440, 15934880, 31869760]

約数ペア:

[(1, 31869760), (2, 15934880), (4, 7967440), (5, 6373952), (8, 3983720), (10, 3186976), (13, 2451520), (16, 1991860), (20, 1593488), (26, 1225760), (32, 995930), (40, 796744), (47, 678080), (52, 612880), (64, 497965), (65, 490304), (80, 398372), (94, 339040), (104, 306440), (130, 245152), (160, 199186), (163, 195520), (188, 169520), (208, 153220), (235, 135616), (260, 122576), (320, 99593), (326, 97760), (376, 84760), (416, 76610), (470, 67808), (520, 61288), (611, 52160), (652, 48880), (752, 42380), (815, 39104), (832, 38305), (940, 33904), (1040, 30644), (1222, 26080), (1304, 24440), (1504, 21190), (1630, 19552), (1880, 16952), (2080, 15322), (2119, 15040), (2444, 13040), (2608, 12220), (3008, 10595), (3055, 10432), (3260, 9776), (3760, 8476), (4160, 7661), (4238, 7520), (4888, 6520), (5216, 6110)]