201701680

素因数分解:

$2^4\times 5^1\times {\mathrm{2521271}}^1$

素因数の和:2521284

約数の個数: 20

約数和(自身を含む): 468956592

約数和(自身を除く): 267254912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2521271, 5042542, 10085084, 12606355, 20170168, 25212710, 40340336, 50425420, 100850840, 201701680]

約数ペア:

[(1, 201701680), (2, 100850840), (4, 50425420), (5, 40340336), (8, 25212710), (10, 20170168), (16, 12606355), (20, 10085084), (40, 5042542), (80, 2521271)]