72572120

素因数分解:

$2^3\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{1607}}^1$

素因数の和:2747

約数の個数: 32

約数和(自身を含む): 163533600

約数和(自身を除く): 90961480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1129, 1607, 2258, 3214, 4516, 5645, 6428, 8035, 9032, 11290, 12856, 16070, 22580, 32140, 45160, 64280, 1814303, 3628606, 7257212, 9071515, 14514424, 18143030, 36286060, 72572120]

約数ペア:

[(1, 72572120), (2, 36286060), (4, 18143030), (5, 14514424), (8, 9071515), (10, 7257212), (20, 3628606), (40, 1814303), (1129, 64280), (1607, 45160), (2258, 32140), (3214, 22580), (4516, 16070), (5645, 12856), (6428, 11290), (8035, 9032)]