8358740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2473}}^1$

素因数の和:2508

約数の個数: 36

約数和(自身を含む): 19015164

約数和(自身を除く): 10656424

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2473, 3380, 4946, 9892, 12365, 24730, 32149, 49460, 64298, 128596, 160745, 321490, 417937, 642980, 835874, 1671748, 2089685, 4179370, 8358740]

約数ペア:

[(1, 8358740), (2, 4179370), (4, 2089685), (5, 1671748), (10, 835874), (13, 642980), (20, 417937), (26, 321490), (52, 160745), (65, 128596), (130, 64298), (169, 49460), (260, 32149), (338, 24730), (676, 12365), (845, 9892), (1690, 4946), (2473, 3380)]