11903960

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2141}}^1$

素因数の和:2291

約数の個数: 32

約数和(自身を含む): 26989200

約数和(自身を除く): 15085240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2141, 2780, 4282, 5560, 8564, 10705, 17128, 21410, 42820, 85640, 297599, 595198, 1190396, 1487995, 2380792, 2975990, 5951980, 11903960]

約数ペア:

[(1, 11903960), (2, 5951980), (4, 2975990), (5, 2380792), (8, 1487995), (10, 1190396), (20, 595198), (40, 297599), (139, 85640), (278, 42820), (556, 21410), (695, 17128), (1112, 10705), (1390, 8564), (2141, 5560), (2780, 4282)]