72634280

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4099}}^1$

素因数の和:4553

約数の個数: 32

約数和(自身を含む): 163836000

約数和(自身を除く): 91201720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4099, 4430, 8198, 8860, 16396, 17720, 20495, 32792, 40990, 81980, 163960, 1815857, 3631714, 7263428, 9079285, 14526856, 18158570, 36317140, 72634280]

約数ペア:

[(1, 72634280), (2, 36317140), (4, 18158570), (5, 14526856), (8, 9079285), (10, 7263428), (20, 3631714), (40, 1815857), (443, 163960), (886, 81980), (1772, 40990), (2215, 32792), (3544, 20495), (4099, 17720), (4430, 16396), (8198, 8860)]