12966680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10457}}^1$

素因数の和:10499

約数の個数: 32

約数和(自身を含む): 30119040

約数和(自身を除く): 17152360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10457, 20914, 41828, 52285, 83656, 104570, 209140, 324167, 418280, 648334, 1296668, 1620835, 2593336, 3241670, 6483340, 12966680]

約数ペア:

[(1, 12966680), (2, 6483340), (4, 3241670), (5, 2593336), (8, 1620835), (10, 1296668), (20, 648334), (31, 418280), (40, 324167), (62, 209140), (124, 104570), (155, 83656), (248, 52285), (310, 41828), (620, 20914), (1240, 10457)]