104816720

素因数分解:

$2^4\times 5^1\times {\mathrm{1310209}}^1$

素因数の和:1310222

約数の個数: 20

約数和(自身を含む): 243699060

約数和(自身を除く): 138882340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1310209, 2620418, 5240836, 6551045, 10481672, 13102090, 20963344, 26204180, 52408360, 104816720]

約数ペア:

[(1, 104816720), (2, 52408360), (4, 26204180), (5, 20963344), (8, 13102090), (10, 10481672), (16, 6551045), (20, 5240836), (40, 2620418), (80, 1310209)]