25708180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 30175340

約数列:

[1, 2, 4, 5, 10, 20, 53, 79, 106, 158, 212, 265, 307, 316, 395, 530, 614, 790, 1060, 1228, 1535, 1580, 3070, 4187, 6140, 8374, 16271, 16748, 20935, 24253, 32542, 41870, 48506, 65084, 81355, 83740, 97012, 121265, 162710, 242530, 325420, 485060, 1285409, 2570818, 5141636, 6427045, 12854090, 25708180]

約数ペア:

[(1, 25708180), (2, 12854090), (4, 6427045), (5, 5141636), (10, 2570818), (20, 1285409), (53, 485060), (79, 325420), (106, 242530), (158, 162710), (212, 121265), (265, 97012), (307, 83740), (316, 81355), (395, 65084), (530, 48506), (614, 41870), (790, 32542), (1060, 24253), (1228, 20935), (1535, 16748), (1580, 16271), (3070, 8374), (4187, 6140)]