18758200

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 44260560

約数和(自身を除く): 25502360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1321, 1420, 1775, 2642, 2840, 3550, 5284, 6605, 7100, 10568, 13210, 14200, 26420, 33025, 52840, 66050, 93791, 132100, 187582, 264200, 375164, 468955, 750328, 937910, 1875820, 2344775, 3751640, 4689550, 9379100, 18758200]

約数ペア:

[(1, 18758200), (2, 9379100), (4, 4689550), (5, 3751640), (8, 2344775), (10, 1875820), (20, 937910), (25, 750328), (40, 468955), (50, 375164), (71, 264200), (100, 187582), (142, 132100), (200, 93791), (284, 66050), (355, 52840), (568, 33025), (710, 26420), (1321, 14200), (1420, 13210), (1775, 10568), (2642, 7100), (2840, 6605), (3550, 5284)]