31398680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{34129}}^1$

素因数の和:34163

約数の個数: 32

約数和(自身を含む): 73720800

約数和(自身を除く): 42322120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 34129, 68258, 136516, 170645, 273032, 341290, 682580, 784967, 1365160, 1569934, 3139868, 3924835, 6279736, 7849670, 15699340, 31398680]

約数ペア:

[(1, 31398680), (2, 15699340), (4, 7849670), (5, 6279736), (8, 3924835), (10, 3139868), (20, 1569934), (23, 1365160), (40, 784967), (46, 682580), (92, 341290), (115, 273032), (184, 170645), (230, 136516), (460, 68258), (920, 34129)]