201017875

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 261608256

約数和(自身を除く): 60590381

約数列:

[1, 5, 25, 41, 61, 125, 205, 305, 643, 1025, 1525, 2501, 3215, 5125, 7625, 12505, 16075, 26363, 39223, 62525, 80375, 131815, 196115, 312625, 659075, 980575, 1608143, 3295375, 4902875, 8040715, 40203575, 201017875]

約数ペア:

[(1, 201017875), (5, 40203575), (25, 8040715), (41, 4902875), (61, 3295375), (125, 1608143), (205, 980575), (305, 659075), (643, 312625), (1025, 196115), (1525, 131815), (2501, 80375), (3215, 62525), (5125, 39223), (7625, 26363), (12505, 16075)]