70743280

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1801}}^1$

素因数の和:2305

約数の個数: 40

約数和(自身を含む): 164904624

約数和(自身を除く): 94161344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1801, 1964, 2455, 3602, 3928, 4910, 7204, 7856, 9005, 9820, 14408, 18010, 19640, 28816, 36020, 39280, 72040, 144080, 884291, 1768582, 3537164, 4421455, 7074328, 8842910, 14148656, 17685820, 35371640, 70743280]

約数ペア:

[(1, 70743280), (2, 35371640), (4, 17685820), (5, 14148656), (8, 8842910), (10, 7074328), (16, 4421455), (20, 3537164), (40, 1768582), (80, 884291), (491, 144080), (982, 72040), (1801, 39280), (1964, 36020), (2455, 28816), (3602, 19640), (3928, 18010), (4910, 14408), (7204, 9820), (7856, 9005)]