31902520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3229}}^1$

素因数の和:3272

約数の個数: 64

約数和(自身を含む): 81396000

約数和(自身を除く): 49493480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 3229, 4940, 6458, 9880, 12916, 16145, 25832, 32290, 41977, 61351, 64580, 83954, 122702, 129160, 167908, 209885, 245404, 306755, 335816, 419770, 490808, 613510, 797563, 839540, 1227020, 1595126, 1679080, 2454040, 3190252, 3987815, 6380504, 7975630, 15951260, 31902520]

約数ペア:

[(1, 31902520), (2, 15951260), (4, 7975630), (5, 6380504), (8, 3987815), (10, 3190252), (13, 2454040), (19, 1679080), (20, 1595126), (26, 1227020), (38, 839540), (40, 797563), (52, 613510), (65, 490808), (76, 419770), (95, 335816), (104, 306755), (130, 245404), (152, 209885), (190, 167908), (247, 129160), (260, 122702), (380, 83954), (494, 64580), (520, 61351), (760, 41977), (988, 32290), (1235, 25832), (1976, 16145), (2470, 12916), (3229, 9880), (4940, 6458)]