28087660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 61891200

約数和(自身を除く): 33803540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 613, 790, 1226, 1580, 2291, 2452, 3065, 4582, 6130, 9164, 11455, 12260, 17777, 22910, 35554, 45820, 48427, 71108, 88885, 96854, 177770, 193708, 242135, 355540, 484270, 968540, 1404383, 2808766, 5617532, 7021915, 14043830, 28087660]

約数ペア:

[(1, 28087660), (2, 14043830), (4, 7021915), (5, 5617532), (10, 2808766), (20, 1404383), (29, 968540), (58, 484270), (79, 355540), (116, 242135), (145, 193708), (158, 177770), (290, 96854), (316, 88885), (395, 71108), (580, 48427), (613, 45820), (790, 35554), (1226, 22910), (1580, 17777), (2291, 12260), (2452, 11455), (3065, 9164), (4582, 6130)]