25701100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 54

約数和(自身を含む): 57509340

約数和(自身を除く): 31808240

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 139, 172, 215, 278, 430, 556, 695, 860, 1075, 1390, 1849, 2150, 2780, 3475, 3698, 4300, 5977, 6950, 7396, 9245, 11954, 13900, 18490, 23908, 29885, 36980, 46225, 59770, 92450, 119540, 149425, 184900, 257011, 298850, 514022, 597700, 1028044, 1285055, 2570110, 5140220, 6425275, 12850550, 25701100]

約数ペア:

[(1, 25701100), (2, 12850550), (4, 6425275), (5, 5140220), (10, 2570110), (20, 1285055), (25, 1028044), (43, 597700), (50, 514022), (86, 298850), (100, 257011), (139, 184900), (172, 149425), (215, 119540), (278, 92450), (430, 59770), (556, 46225), (695, 36980), (860, 29885), (1075, 23908), (1390, 18490), (1849, 13900), (2150, 11954), (2780, 9245), (3475, 7396), (3698, 6950), (4300, 5977)]