40889905

素因数分解:

$5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1423}}^1$

素因数の和:2256

約数の個数: 16

約数和(自身を含む): 56185344

約数和(自身を除く): 15295439

約数列:

[1, 5, 7, 35, 821, 1423, 4105, 5747, 7115, 9961, 28735, 49805, 1168283, 5841415, 8177981, 40889905]

約数ペア:

[(1, 40889905), (5, 8177981), (7, 5841415), (35, 1168283), (821, 49805), (1423, 28735), (4105, 9961), (5747, 7115)]