122899640

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{12241}}^1$

素因数の和:12503

約数の個数: 32

約数和(自身を含む): 277648560

約数和(自身を除く): 154748920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 12241, 24482, 48964, 61205, 97928, 122410, 244820, 489640, 3072491, 6144982, 12289964, 15362455, 24579928, 30724910, 61449820, 122899640]

約数ペア:

[(1, 122899640), (2, 61449820), (4, 30724910), (5, 24579928), (8, 15362455), (10, 12289964), (20, 6144982), (40, 3072491), (251, 489640), (502, 244820), (1004, 122410), (1255, 97928), (2008, 61205), (2510, 48964), (5020, 24482), (10040, 12241)]