127889800

素因数分解:

$2^3\times 5^2\times {\mathrm{163}}^1\times {\mathrm{3923}}^1$

素因数の和:4102

約数の個数: 48

約数和(自身を含む): 299244240

約数和(自身を除く): 171354440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 163, 200, 326, 652, 815, 1304, 1630, 3260, 3923, 4075, 6520, 7846, 8150, 15692, 16300, 19615, 31384, 32600, 39230, 78460, 98075, 156920, 196150, 392300, 639449, 784600, 1278898, 2557796, 3197245, 5115592, 6394490, 12788980, 15986225, 25577960, 31972450, 63944900, 127889800]

約数ペア:

[(1, 127889800), (2, 63944900), (4, 31972450), (5, 25577960), (8, 15986225), (10, 12788980), (20, 6394490), (25, 5115592), (40, 3197245), (50, 2557796), (100, 1278898), (163, 784600), (200, 639449), (326, 392300), (652, 196150), (815, 156920), (1304, 98075), (1630, 78460), (3260, 39230), (3923, 32600), (4075, 31384), (6520, 19615), (7846, 16300), (8150, 15692)]