81300875

素因数分解:

$5^3\times {\mathrm{79}}^1\times {\mathrm{8233}}^1$

素因数の和:8327

約数の個数: 16

約数和(自身を含む): 102760320

約数和(自身を除く): 21459445

約数列:

[1, 5, 25, 79, 125, 395, 1975, 8233, 9875, 41165, 205825, 650407, 1029125, 3252035, 16260175, 81300875]

約数ペア:

[(1, 81300875), (5, 16260175), (25, 3252035), (79, 1029125), (125, 650407), (395, 205825), (1975, 41165), (8233, 9875)]