12751820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15551}}^1$

素因数の和:15601

約数の個数: 24

約数和(自身を含む): 27433728

約数和(自身を除く): 14681908

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15551, 31102, 62204, 77755, 155510, 311020, 637591, 1275182, 2550364, 3187955, 6375910, 12751820]

約数ペア:

[(1, 12751820), (2, 6375910), (4, 3187955), (5, 2550364), (10, 1275182), (20, 637591), (41, 311020), (82, 155510), (164, 77755), (205, 62204), (410, 31102), (820, 15551)]