87274280

素因数分解:

$2^3\times 5^1\times {\mathrm{2181857}}^1$

素因数の和:2181868

約数の個数: 16

約数和(自身を含む): 196367220

約数和(自身を除く): 109092940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2181857, 4363714, 8727428, 10909285, 17454856, 21818570, 43637140, 87274280]

約数ペア:

[(1, 87274280), (2, 43637140), (4, 21818570), (5, 17454856), (8, 10909285), (10, 8727428), (20, 4363714), (40, 2181857)]