68279980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{110129}}^1$

素因数の和:110169

約数の個数: 24

約数和(自身を含む): 148014720

約数和(自身を除く): 79734740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 110129, 220258, 440516, 550645, 1101290, 2202580, 3413999, 6827998, 13655996, 17069995, 34139990, 68279980]

約数ペア:

[(1, 68279980), (2, 34139990), (4, 17069995), (5, 13655996), (10, 6827998), (20, 3413999), (31, 2202580), (62, 1101290), (124, 550645), (155, 440516), (310, 220258), (620, 110129)]