138996080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{102203}}^1$

素因数の和:102233

約数の個数: 40

約数和(自身を含む): 342178992

約数和(自身を除く): 203182912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 102203, 204406, 408812, 511015, 817624, 1022030, 1635248, 1737451, 2044060, 3474902, 4088120, 6949804, 8176240, 8687255, 13899608, 17374510, 27799216, 34749020, 69498040, 138996080]

約数ペア:

[(1, 138996080), (2, 69498040), (4, 34749020), (5, 27799216), (8, 17374510), (10, 13899608), (16, 8687255), (17, 8176240), (20, 6949804), (34, 4088120), (40, 3474902), (68, 2044060), (80, 1737451), (85, 1635248), (136, 1022030), (170, 817624), (272, 511015), (340, 408812), (680, 204406), (1360, 102203)]