13045840

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{521}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 30486888

約数和(自身を除く): 17441048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 521, 626, 1042, 1252, 1565, 2084, 2504, 2605, 3130, 4168, 5008, 5210, 6260, 8336, 10420, 12520, 20840, 25040, 41680, 163073, 326146, 652292, 815365, 1304584, 1630730, 2609168, 3261460, 6522920, 13045840]

約数ペア:

[(1, 13045840), (2, 6522920), (4, 3261460), (5, 2609168), (8, 1630730), (10, 1304584), (16, 815365), (20, 652292), (40, 326146), (80, 163073), (313, 41680), (521, 25040), (626, 20840), (1042, 12520), (1252, 10420), (1565, 8336), (2084, 6260), (2504, 5210), (2605, 5008), (3130, 4168)]