201651860

素因数分解:

$2^2\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{7207}}^1$

素因数の和:8615

約数の個数: 24

約数和(自身を含む): 423830400

約数和(自身を除く): 222178540

約数列:

[1, 2, 4, 5, 10, 20, 1399, 2798, 5596, 6995, 7207, 13990, 14414, 27980, 28828, 36035, 72070, 144140, 10082593, 20165186, 40330372, 50412965, 100825930, 201651860]

約数ペア:

[(1, 201651860), (2, 100825930), (4, 50412965), (5, 40330372), (10, 20165186), (20, 10082593), (1399, 144140), (2798, 72070), (5596, 36035), (6995, 28828), (7207, 27980), (13990, 14414)]