8378200

素因数分解:

$2^3\times 5^2\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 19675080

約数和(自身を除く): 11296880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 163, 200, 257, 326, 514, 652, 815, 1028, 1285, 1304, 1630, 2056, 2570, 3260, 4075, 5140, 6425, 6520, 8150, 10280, 12850, 16300, 25700, 32600, 41891, 51400, 83782, 167564, 209455, 335128, 418910, 837820, 1047275, 1675640, 2094550, 4189100, 8378200]

約数ペア:

[(1, 8378200), (2, 4189100), (4, 2094550), (5, 1675640), (8, 1047275), (10, 837820), (20, 418910), (25, 335128), (40, 209455), (50, 167564), (100, 83782), (163, 51400), (200, 41891), (257, 32600), (326, 25700), (514, 16300), (652, 12850), (815, 10280), (1028, 8150), (1285, 6520), (1304, 6425), (1630, 5140), (2056, 4075), (2570, 3260)]