101972125

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 132324192

約数和(自身を除く): 30352067

約数列:

[1, 5, 25, 41, 101, 125, 197, 205, 505, 985, 1025, 2525, 4141, 4925, 5125, 8077, 12625, 19897, 20705, 24625, 40385, 99485, 103525, 201925, 497425, 517625, 815777, 1009625, 2487125, 4078885, 20394425, 101972125]

約数ペア:

[(1, 101972125), (5, 20394425), (25, 4078885), (41, 2487125), (101, 1009625), (125, 815777), (197, 517625), (205, 497425), (505, 201925), (985, 103525), (1025, 99485), (2525, 40385), (4141, 24625), (4925, 20705), (5125, 19897), (8077, 12625)]