1520449820

素因数分解:

$2^2\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{64921}}^1$

素因数の和:66101

約数の個数: 24

約数和(自身を含む): 3195720528

約数和(自身を除く): 1675270708

約数列:

[1, 2, 4, 5, 10, 20, 1171, 2342, 4684, 5855, 11710, 23420, 64921, 129842, 259684, 324605, 649210, 1298420, 76022491, 152044982, 304089964, 380112455, 760224910, 1520449820]

約数ペア:

[(1, 1520449820), (2, 760224910), (4, 380112455), (5, 304089964), (10, 152044982), (20, 76022491), (1171, 1298420), (2342, 649210), (4684, 324605), (5855, 259684), (11710, 129842), (23420, 64921)]