68766680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55457}}^1$

素因数の和:55499

約数の個数: 32

約数和(自身を含む): 159719040

約数和(自身を除く): 90952360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55457, 110914, 221828, 277285, 443656, 554570, 1109140, 1719167, 2218280, 3438334, 6876668, 8595835, 13753336, 17191670, 34383340, 68766680]

約数ペア:

[(1, 68766680), (2, 34383340), (4, 17191670), (5, 13753336), (8, 8595835), (10, 6876668), (20, 3438334), (31, 2218280), (40, 1719167), (62, 1109140), (124, 554570), (155, 443656), (248, 277285), (310, 221828), (620, 110914), (1240, 55457)]