8360143240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{42943}}^1$

素因数の和:43142

約数の個数: 64

約数和(自身を含む): 19541237760

約数和(自身を除く): 11181094520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 620, 628, 785, 1240, 1256, 1570, 3140, 4867, 6280, 9734, 19468, 24335, 38936, 42943, 48670, 85886, 97340, 171772, 194680, 214715, 343544, 429430, 858860, 1331233, 1717720, 2662466, 5324932, 6656165, 6742051, 10649864, 13312330, 13484102, 26624660, 26968204, 33710255, 53249320, 53936408, 67420510, 134841020, 209003581, 269682040, 418007162, 836014324, 1045017905, 1672028648, 2090035810, 4180071620, 8360143240]

約数ペア:

[(1, 8360143240), (2, 4180071620), (4, 2090035810), (5, 1672028648), (8, 1045017905), (10, 836014324), (20, 418007162), (31, 269682040), (40, 209003581), (62, 134841020), (124, 67420510), (155, 53936408), (157, 53249320), (248, 33710255), (310, 26968204), (314, 26624660), (620, 13484102), (628, 13312330), (785, 10649864), (1240, 6742051), (1256, 6656165), (1570, 5324932), (3140, 2662466), (4867, 1717720), (6280, 1331233), (9734, 858860), (19468, 429430), (24335, 343544), (38936, 214715), (42943, 194680), (48670, 171772), (85886, 97340)]