72245680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69467}}^1$

素因数の和:69493

約数の個数: 40

約数和(自身を含む): 180894672

約数和(自身を除く): 108648992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69467, 138934, 277868, 347335, 555736, 694670, 903071, 1111472, 1389340, 1806142, 2778680, 3612284, 4515355, 5557360, 7224568, 9030710, 14449136, 18061420, 36122840, 72245680]

約数ペア:

[(1, 72245680), (2, 36122840), (4, 18061420), (5, 14449136), (8, 9030710), (10, 7224568), (13, 5557360), (16, 4515355), (20, 3612284), (26, 2778680), (40, 1806142), (52, 1389340), (65, 1111472), (80, 903071), (104, 694670), (130, 555736), (208, 347335), (260, 277868), (520, 138934), (1040, 69467)]