31621360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23251}}^1$

素因数の和:23281

約数の個数: 40

約数和(自身を含む): 77847696

約数和(自身を除く): 46226336

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 23251, 46502, 93004, 116255, 186008, 232510, 372016, 395267, 465020, 790534, 930040, 1581068, 1860080, 1976335, 3162136, 3952670, 6324272, 7905340, 15810680, 31621360]

約数ペア:

[(1, 31621360), (2, 15810680), (4, 7905340), (5, 6324272), (8, 3952670), (10, 3162136), (16, 1976335), (17, 1860080), (20, 1581068), (34, 930040), (40, 790534), (68, 465020), (80, 395267), (85, 372016), (136, 232510), (170, 186008), (272, 116255), (340, 93004), (680, 46502), (1360, 23251)]