38687870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2141}}^1$

素因数の和:2300

約数の個数: 32

約数和(自身を含む): 75569760

約数和(自身を除く): 36881890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 2141, 3614, 4282, 9035, 10705, 18070, 21410, 27833, 55666, 139165, 278330, 297599, 595198, 1487995, 2975990, 3868787, 7737574, 19343935, 38687870]

約数ペア:

[(1, 38687870), (2, 19343935), (5, 7737574), (10, 3868787), (13, 2975990), (26, 1487995), (65, 595198), (130, 297599), (139, 278330), (278, 139165), (695, 55666), (1390, 27833), (1807, 21410), (2141, 18070), (3614, 10705), (4282, 9035)]