40807800016

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{3870239}}^1$

素因数の和:3870906

約数の個数: 20

約数和(自身を含む): 79185110400

約数和(自身を除く): 38377310384

約数列:

[1, 2, 4, 8, 16, 659, 1318, 2636, 5272, 10544, 3870239, 7740478, 15480956, 30961912, 61923824, 2550487501, 5100975002, 10201950004, 20403900008, 40807800016]

約数ペア:

[(1, 40807800016), (2, 20403900008), (4, 10201950004), (8, 5100975002), (16, 2550487501), (659, 61923824), (1318, 30961912), (2636, 15480956), (5272, 7740478), (10544, 3870239)]