13721380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40357}}^1$

素因数の和:40383

約数の個数: 24

約数和(自身を含む): 30510648

約数和(自身を除く): 16789268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 40357, 80714, 161428, 201785, 403570, 686069, 807140, 1372138, 2744276, 3430345, 6860690, 13721380]

約数ペア:

[(1, 13721380), (2, 6860690), (4, 3430345), (5, 2744276), (10, 1372138), (17, 807140), (20, 686069), (34, 403570), (68, 201785), (85, 161428), (170, 80714), (340, 40357)]