8167400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 19230540

約数和(自身を除く): 11063140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 421, 485, 776, 842, 970, 1684, 1940, 2105, 2425, 3368, 3880, 4210, 4850, 8420, 9700, 10525, 16840, 19400, 21050, 40837, 42100, 81674, 84200, 163348, 204185, 326696, 408370, 816740, 1020925, 1633480, 2041850, 4083700, 8167400]

約数ペア:

[(1, 8167400), (2, 4083700), (4, 2041850), (5, 1633480), (8, 1020925), (10, 816740), (20, 408370), (25, 326696), (40, 204185), (50, 163348), (97, 84200), (100, 81674), (194, 42100), (200, 40837), (388, 21050), (421, 19400), (485, 16840), (776, 10525), (842, 9700), (970, 8420), (1684, 4850), (1940, 4210), (2105, 3880), (2425, 3368)]