100893400

素因数分解:

$2^3\times 5^2\times {\mathrm{641}}^1\times {\mathrm{787}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 235241640

約数和(自身を除く): 134348240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 641, 787, 1282, 1574, 2564, 3148, 3205, 3935, 5128, 6296, 6410, 7870, 12820, 15740, 16025, 19675, 25640, 31480, 32050, 39350, 64100, 78700, 128200, 157400, 504467, 1008934, 2017868, 2522335, 4035736, 5044670, 10089340, 12611675, 20178680, 25223350, 50446700, 100893400]

約数ペア:

[(1, 100893400), (2, 50446700), (4, 25223350), (5, 20178680), (8, 12611675), (10, 10089340), (20, 5044670), (25, 4035736), (40, 2522335), (50, 2017868), (100, 1008934), (200, 504467), (641, 157400), (787, 128200), (1282, 78700), (1574, 64100), (2564, 39350), (3148, 32050), (3205, 31480), (3935, 25640), (5128, 19675), (6296, 16025), (6410, 15740), (7870, 12820)]