27560920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4957}}^1$

素因数の和:5107

約数の個数: 32

約数和(自身を含む): 62470800

約数和(自身を除く): 34909880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 4957, 5560, 9914, 19828, 24785, 39656, 49570, 99140, 198280, 689023, 1378046, 2756092, 3445115, 5512184, 6890230, 13780460, 27560920]

約数ペア:

[(1, 27560920), (2, 13780460), (4, 6890230), (5, 5512184), (8, 3445115), (10, 2756092), (20, 1378046), (40, 689023), (139, 198280), (278, 99140), (556, 49570), (695, 39656), (1112, 24785), (1390, 19828), (2780, 9914), (4957, 5560)]