72175280

素因数分解:

$2^4\times 5^1\times {\mathrm{902191}}^1$

素因数の和:902204

約数の個数: 20

約数和(自身を含む): 167807712

約数和(自身を除く): 95632432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 902191, 1804382, 3608764, 4510955, 7217528, 9021910, 14435056, 18043820, 36087640, 72175280]

約数ペア:

[(1, 72175280), (2, 36087640), (4, 18043820), (5, 14435056), (8, 9021910), (10, 7217528), (16, 4510955), (20, 3608764), (40, 1804382), (80, 902191)]