40837000

素因数分解:

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

素因数の和:539

約数の個数: 64

約数和(自身を含む): 96773040

約数和(自身を除く): 55936040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 125, 194, 200, 250, 388, 421, 485, 500, 776, 842, 970, 1000, 1684, 1940, 2105, 2425, 3368, 3880, 4210, 4850, 8420, 9700, 10525, 12125, 16840, 19400, 21050, 24250, 40837, 42100, 48500, 52625, 81674, 84200, 97000, 105250, 163348, 204185, 210500, 326696, 408370, 421000, 816740, 1020925, 1633480, 2041850, 4083700, 5104625, 8167400, 10209250, 20418500, 40837000]

約数ペア:

[(1, 40837000), (2, 20418500), (4, 10209250), (5, 8167400), (8, 5104625), (10, 4083700), (20, 2041850), (25, 1633480), (40, 1020925), (50, 816740), (97, 421000), (100, 408370), (125, 326696), (194, 210500), (200, 204185), (250, 163348), (388, 105250), (421, 97000), (485, 84200), (500, 81674), (776, 52625), (842, 48500), (970, 42100), (1000, 40837), (1684, 24250), (1940, 21050), (2105, 19400), (2425, 16840), (3368, 12125), (3880, 10525), (4210, 9700), (4850, 8420)]