87040010

素因数分解:

$2^1\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{4073}}^1$

素因数の和:6217

約数の個数: 16

約数和(自身を含む): 156783816

約数和(自身を除く): 69743806

約数列:

[1, 2, 5, 10, 2137, 4073, 4274, 8146, 10685, 20365, 21370, 40730, 8704001, 17408002, 43520005, 87040010]

約数ペア:

[(1, 87040010), (2, 43520005), (5, 17408002), (10, 8704001), (2137, 40730), (4073, 21370), (4274, 20365), (8146, 10685)]