201388625

素因数分解:

$5^3\times {\mathrm{503}}^1\times {\mathrm{3203}}^1$

素因数の和:3721

約数の個数: 16

約数和(自身を含む): 251911296

約数和(自身を除く): 50522671

約数列:

[1, 5, 25, 125, 503, 2515, 3203, 12575, 16015, 62875, 80075, 400375, 1611109, 8055545, 40277725, 201388625]

約数ペア:

[(1, 201388625), (5, 40277725), (25, 8055545), (125, 1611109), (503, 400375), (2515, 80075), (3203, 62875), (12575, 16015)]