8345740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32099}}^1$

素因数の和:32121

約数の個数: 24

約数和(自身を含む): 18874800

約数和(自身を除く): 10529060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32099, 64198, 128396, 160495, 320990, 417287, 641980, 834574, 1669148, 2086435, 4172870, 8345740]

約数ペア:

[(1, 8345740), (2, 4172870), (4, 2086435), (5, 1669148), (10, 834574), (13, 641980), (20, 417287), (26, 320990), (52, 160495), (65, 128396), (130, 64198), (260, 32099)]