91008040

素因数分解:

$2^3\times 5^1\times {\mathrm{2275201}}^1$

素因数の和:2275212

約数の個数: 16

約数和(自身を含む): 204768180

約数和(自身を除く): 113760140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2275201, 4550402, 9100804, 11376005, 18201608, 22752010, 45504020, 91008040]

約数ペア:

[(1, 91008040), (2, 45504020), (4, 22752010), (5, 18201608), (8, 11376005), (10, 9100804), (20, 4550402), (40, 2275201)]