4489720

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1049}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 10206000

約数和(自身を除く): 5716280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1049, 1070, 2098, 2140, 4196, 4280, 5245, 8392, 10490, 20980, 41960, 112243, 224486, 448972, 561215, 897944, 1122430, 2244860, 4489720]

約数ペア:

[(1, 4489720), (2, 2244860), (4, 1122430), (5, 897944), (8, 561215), (10, 448972), (20, 224486), (40, 112243), (107, 41960), (214, 20980), (428, 10490), (535, 8392), (856, 5245), (1049, 4280), (1070, 4196), (2098, 2140)]