54914920

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1697}}^1$

素因数の和:2517

約数の個数: 32

約数和(自身を含む): 123784200

約数和(自身を除く): 68869280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 1697, 3236, 3394, 4045, 6472, 6788, 8090, 8485, 13576, 16180, 16970, 32360, 33940, 67880, 1372873, 2745746, 5491492, 6864365, 10982984, 13728730, 27457460, 54914920]

約数ペア:

[(1, 54914920), (2, 27457460), (4, 13728730), (5, 10982984), (8, 6864365), (10, 5491492), (20, 2745746), (40, 1372873), (809, 67880), (1618, 33940), (1697, 32360), (3236, 16970), (3394, 16180), (4045, 13576), (6472, 8485), (6788, 8090)]