12715240

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2503}}^1$

素因数の和:2641

約数の個数: 32

約数和(自身を含む): 28846080

約数和(自身を除く): 16130840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2503, 2540, 5006, 5080, 10012, 12515, 20024, 25030, 50060, 100120, 317881, 635762, 1271524, 1589405, 2543048, 3178810, 6357620, 12715240]

約数ペア:

[(1, 12715240), (2, 6357620), (4, 3178810), (5, 2543048), (8, 1589405), (10, 1271524), (20, 635762), (40, 317881), (127, 100120), (254, 50060), (508, 25030), (635, 20024), (1016, 12515), (1270, 10012), (2503, 5080), (2540, 5006)]