54477400

素因数分解:

$2^3\times 5^2\times {\mathrm{421}}^1\times {\mathrm{647}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 127157040

約数和(自身を除く): 72679640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 421, 647, 842, 1294, 1684, 2105, 2588, 3235, 3368, 4210, 5176, 6470, 8420, 10525, 12940, 16175, 16840, 21050, 25880, 32350, 42100, 64700, 84200, 129400, 272387, 544774, 1089548, 1361935, 2179096, 2723870, 5447740, 6809675, 10895480, 13619350, 27238700, 54477400]

約数ペア:

[(1, 54477400), (2, 27238700), (4, 13619350), (5, 10895480), (8, 6809675), (10, 5447740), (20, 2723870), (25, 2179096), (40, 1361935), (50, 1089548), (100, 544774), (200, 272387), (421, 129400), (647, 84200), (842, 64700), (1294, 42100), (1684, 32350), (2105, 25880), (2588, 21050), (3235, 16840), (3368, 16175), (4210, 12940), (5176, 10525), (6470, 8420)]