8125300

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:628

約数の個数: 36

約数和(自身を含む): 17765356

約数和(自身を除く): 9640056

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 421, 772, 842, 965, 1684, 1930, 2105, 3860, 4210, 4825, 8420, 9650, 10525, 19300, 21050, 42100, 81253, 162506, 325012, 406265, 812530, 1625060, 2031325, 4062650, 8125300]

約数ペア:

[(1, 8125300), (2, 4062650), (4, 2031325), (5, 1625060), (10, 812530), (20, 406265), (25, 325012), (50, 162506), (100, 81253), (193, 42100), (386, 21050), (421, 19300), (772, 10525), (842, 9650), (965, 8420), (1684, 4825), (1930, 4210), (2105, 3860)]