161888075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{683}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 212040000

約数和(自身を除く): 50151925

約数列:

[1, 5, 19, 25, 95, 475, 499, 683, 2495, 3415, 9481, 12475, 12977, 17075, 47405, 64885, 237025, 324425, 340817, 1704085, 6475523, 8520425, 32377615, 161888075]

約数ペア:

[(1, 161888075), (5, 32377615), (19, 8520425), (25, 6475523), (95, 1704085), (475, 340817), (499, 324425), (683, 237025), (2495, 64885), (3415, 47405), (9481, 17075), (12475, 12977)]