53386840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{102667}}^1$

素因数の和:102691

約数の個数: 32

約数和(自身を含む): 129361680

約数和(自身を除く): 75974840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 102667, 205334, 410668, 513335, 821336, 1026670, 1334671, 2053340, 2669342, 4106680, 5338684, 6673355, 10677368, 13346710, 26693420, 53386840]

約数ペア:

[(1, 53386840), (2, 26693420), (4, 13346710), (5, 10677368), (8, 6673355), (10, 5338684), (13, 4106680), (20, 2669342), (26, 2053340), (40, 1334671), (52, 1026670), (65, 821336), (104, 513335), (130, 410668), (260, 205334), (520, 102667)]