101970640

素因数分解:

$2^4\times 5^1\times {\mathrm{1274633}}^1$

素因数の和:1274646

約数の個数: 20

約数和(自身を含む): 237081924

約数和(自身を除く): 135111284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1274633, 2549266, 5098532, 6373165, 10197064, 12746330, 20394128, 25492660, 50985320, 101970640]

約数ペア:

[(1, 101970640), (2, 50985320), (4, 25492660), (5, 20394128), (8, 12746330), (10, 10197064), (16, 6373165), (20, 5098532), (40, 2549266), (80, 1274633)]