408026875

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{15923}}^1$

素因数の和:15984

約数の個数: 20

約数和(自身を含む): 522339048

約数和(自身を除く): 114312173

約数列:

[1, 5, 25, 41, 125, 205, 625, 1025, 5125, 15923, 25625, 79615, 398075, 652843, 1990375, 3264215, 9951875, 16321075, 81605375, 408026875]

約数ペア:

[(1, 408026875), (5, 81605375), (25, 16321075), (41, 9951875), (125, 3264215), (205, 1990375), (625, 652843), (1025, 398075), (5125, 79615), (15923, 25625)]