40140445

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{811}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 50863680

約数和(自身を除く): 10723235

約数列:

[1, 5, 19, 95, 521, 811, 2605, 4055, 9899, 15409, 49495, 77045, 422531, 2112655, 8028089, 40140445]

約数ペア:

[(1, 40140445), (5, 8028089), (19, 2112655), (95, 422531), (521, 77045), (811, 49495), (2605, 15409), (4055, 9899)]