87200090

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{89897}}^1$

素因数の和:90001

約数の個数: 16

約数和(自身を含む): 158580072

約数和(自身を除く): 71379982

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 89897, 179794, 449485, 898970, 8720009, 17440018, 43600045, 87200090]

約数ペア:

[(1, 87200090), (2, 43600045), (5, 17440018), (10, 8720009), (97, 898970), (194, 449485), (485, 179794), (970, 89897)]