11938280

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1901}}^1$

素因数の和:2069

約数の個数: 32

約数和(自身を含む): 27046440

約数和(自身を除く): 15108160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 1901, 3140, 3802, 6280, 7604, 9505, 15208, 19010, 38020, 76040, 298457, 596914, 1193828, 1492285, 2387656, 2984570, 5969140, 11938280]

約数ペア:

[(1, 11938280), (2, 5969140), (4, 2984570), (5, 2387656), (8, 1492285), (10, 1193828), (20, 596914), (40, 298457), (157, 76040), (314, 38020), (628, 19010), (785, 15208), (1256, 9505), (1570, 7604), (1901, 6280), (3140, 3802)]