13238360

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2381}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 30013200

約数和(自身を除く): 16774840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2381, 2780, 4762, 5560, 9524, 11905, 19048, 23810, 47620, 95240, 330959, 661918, 1323836, 1654795, 2647672, 3309590, 6619180, 13238360]

約数ペア:

[(1, 13238360), (2, 6619180), (4, 3309590), (5, 2647672), (8, 1654795), (10, 1323836), (20, 661918), (40, 330959), (139, 95240), (278, 47620), (556, 23810), (695, 19048), (1112, 11905), (1390, 9524), (2381, 5560), (2780, 4762)]