61918840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{29207}}^1$

素因数の和:29271

約数の個数: 32

約数和(自身を含む): 141950880

約数和(自身を除く): 80032040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 29207, 58414, 116828, 146035, 233656, 292070, 584140, 1168280, 1547971, 3095942, 6191884, 7739855, 12383768, 15479710, 30959420, 61918840]

約数ペア:

[(1, 61918840), (2, 30959420), (4, 15479710), (5, 12383768), (8, 7739855), (10, 6191884), (20, 3095942), (40, 1547971), (53, 1168280), (106, 584140), (212, 292070), (265, 233656), (424, 146035), (530, 116828), (1060, 58414), (2120, 29207)]