12969875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 32

約数和(自身を含む): 17571840

約数和(自身を除く): 4601965

約数列:

[1, 5, 19, 25, 43, 95, 125, 127, 215, 475, 635, 817, 1075, 2375, 2413, 3175, 4085, 5375, 5461, 12065, 15875, 20425, 27305, 60325, 102125, 103759, 136525, 301625, 518795, 682625, 2593975, 12969875]

約数ペア:

[(1, 12969875), (5, 2593975), (19, 682625), (25, 518795), (43, 301625), (95, 136525), (125, 103759), (127, 102125), (215, 60325), (475, 27305), (635, 20425), (817, 15875), (1075, 12065), (2375, 5461), (2413, 5375), (3175, 4085)]