13420475

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 17476560

約数和(自身を除く): 4056085

約数列:

[1, 5, 25, 29, 107, 145, 173, 535, 725, 865, 2675, 3103, 4325, 5017, 15515, 18511, 25085, 77575, 92555, 125425, 462775, 536819, 2684095, 13420475]

約数ペア:

[(1, 13420475), (5, 2684095), (25, 536819), (29, 462775), (107, 125425), (145, 92555), (173, 77575), (535, 25085), (725, 18511), (865, 15515), (2675, 5017), (3103, 4325)]