56312780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 123984000

約数和(自身を除く): 67671220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1229, 1580, 2291, 2458, 4582, 4916, 6145, 9164, 11455, 12290, 22910, 24580, 35641, 45820, 71282, 97091, 142564, 178205, 194182, 356410, 388364, 485455, 712820, 970910, 1941820, 2815639, 5631278, 11262556, 14078195, 28156390, 56312780]

約数ペア:

[(1, 56312780), (2, 28156390), (4, 14078195), (5, 11262556), (10, 5631278), (20, 2815639), (29, 1941820), (58, 970910), (79, 712820), (116, 485455), (145, 388364), (158, 356410), (290, 194182), (316, 178205), (395, 142564), (580, 97091), (790, 71282), (1229, 45820), (1580, 35641), (2291, 24580), (2458, 22910), (4582, 12290), (4916, 11455), (6145, 9164)]