126939640

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{17729}}^1$

素因数の和:17919

約数の個数: 32

約数和(自身を含む): 287226000

約数和(自身を除く): 160286360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 17729, 35458, 70916, 88645, 141832, 177290, 354580, 709160, 3173491, 6346982, 12693964, 15867455, 25387928, 31734910, 63469820, 126939640]

約数ペア:

[(1, 126939640), (2, 63469820), (4, 31734910), (5, 25387928), (8, 15867455), (10, 12693964), (20, 6346982), (40, 3173491), (179, 709160), (358, 354580), (716, 177290), (895, 141832), (1432, 88645), (1790, 70916), (3580, 35458), (7160, 17729)]