67078960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64499}}^1$

素因数の和:64525

約数の個数: 40

約数和(自身を含む): 167958000

約数和(自身を除く): 100879040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 64499, 128998, 257996, 322495, 515992, 644990, 838487, 1031984, 1289980, 1676974, 2579960, 3353948, 4192435, 5159920, 6707896, 8384870, 13415792, 16769740, 33539480, 67078960]

約数ペア:

[(1, 67078960), (2, 33539480), (4, 16769740), (5, 13415792), (8, 8384870), (10, 6707896), (13, 5159920), (16, 4192435), (20, 3353948), (26, 2579960), (40, 1676974), (52, 1289980), (65, 1031984), (80, 838487), (104, 644990), (130, 515992), (208, 322495), (260, 257996), (520, 128998), (1040, 64499)]