25787180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{859}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 57792000

約数和(自身を除く): 32004820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 859, 1501, 1580, 1718, 3002, 3436, 4295, 6004, 7505, 8590, 15010, 16321, 17180, 30020, 32642, 65284, 67861, 81605, 135722, 163210, 271444, 326420, 339305, 678610, 1289359, 1357220, 2578718, 5157436, 6446795, 12893590, 25787180]

約数ペア:

[(1, 25787180), (2, 12893590), (4, 6446795), (5, 5157436), (10, 2578718), (19, 1357220), (20, 1289359), (38, 678610), (76, 339305), (79, 326420), (95, 271444), (158, 163210), (190, 135722), (316, 81605), (380, 67861), (395, 65284), (790, 32642), (859, 30020), (1501, 17180), (1580, 16321), (1718, 15010), (3002, 8590), (3436, 7505), (4295, 6004)]