40105040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:864

約数の個数: 80

約数和(自身を含む): 101524752

約数和(自身を除く): 61419712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 272, 296, 340, 370, 592, 629, 680, 740, 797, 1258, 1360, 1480, 1594, 2516, 2960, 3145, 3188, 3985, 5032, 6290, 6376, 7970, 10064, 12580, 12752, 13549, 15940, 25160, 27098, 29489, 31880, 50320, 54196, 58978, 63760, 67745, 108392, 117956, 135490, 147445, 216784, 235912, 270980, 294890, 471824, 501313, 541960, 589780, 1002626, 1083920, 1179560, 2005252, 2359120, 2506565, 4010504, 5013130, 8021008, 10026260, 20052520, 40105040]

約数ペア:

[(1, 40105040), (2, 20052520), (4, 10026260), (5, 8021008), (8, 5013130), (10, 4010504), (16, 2506565), (17, 2359120), (20, 2005252), (34, 1179560), (37, 1083920), (40, 1002626), (68, 589780), (74, 541960), (80, 501313), (85, 471824), (136, 294890), (148, 270980), (170, 235912), (185, 216784), (272, 147445), (296, 135490), (340, 117956), (370, 108392), (592, 67745), (629, 63760), (680, 58978), (740, 54196), (797, 50320), (1258, 31880), (1360, 29489), (1480, 27098), (1594, 25160), (2516, 15940), (2960, 13549), (3145, 12752), (3188, 12580), (3985, 10064), (5032, 7970), (6290, 6376)]