40396945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6971}}^1$

素因数の和:7056

約数の個数: 16

約数和(自身を含む): 51871680

約数和(自身を除く): 11474735

約数列:

[1, 5, 19, 61, 95, 305, 1159, 5795, 6971, 34855, 132449, 425231, 662245, 2126155, 8079389, 40396945]

約数ペア:

[(1, 40396945), (5, 8079389), (19, 2126155), (61, 662245), (95, 425231), (305, 132449), (1159, 34855), (5795, 6971)]