67748840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{31957}}^1$

素因数の和:32021

約数の個数: 32

約数和(自身を含む): 155315880

約数和(自身を除く): 87567040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 31957, 63914, 127828, 159785, 255656, 319570, 639140, 1278280, 1693721, 3387442, 6774884, 8468605, 13549768, 16937210, 33874420, 67748840]

約数ペア:

[(1, 67748840), (2, 33874420), (4, 16937210), (5, 13549768), (8, 8468605), (10, 6774884), (20, 3387442), (40, 1693721), (53, 1278280), (106, 639140), (212, 319570), (265, 255656), (424, 159785), (530, 127828), (1060, 63914), (2120, 31957)]