55124620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 118540800

約数和(自身を除く): 63416180

約数列:

[1, 2, 4, 5, 10, 20, 79, 139, 158, 251, 278, 316, 395, 502, 556, 695, 790, 1004, 1255, 1390, 1580, 2510, 2780, 5020, 10981, 19829, 21962, 34889, 39658, 43924, 54905, 69778, 79316, 99145, 109810, 139556, 174445, 198290, 219620, 348890, 396580, 697780, 2756231, 5512462, 11024924, 13781155, 27562310, 55124620]

約数ペア:

[(1, 55124620), (2, 27562310), (4, 13781155), (5, 11024924), (10, 5512462), (20, 2756231), (79, 697780), (139, 396580), (158, 348890), (251, 219620), (278, 198290), (316, 174445), (395, 139556), (502, 109810), (556, 99145), (695, 79316), (790, 69778), (1004, 54905), (1255, 43924), (1390, 39658), (1580, 34889), (2510, 21962), (2780, 19829), (5020, 10981)]