22319240

素因数分解:

$2^3\times 5^1\times {\mathrm{557981}}^1$

素因数の和:557992

約数の個数: 16

約数和(自身を含む): 50218380

約数和(自身を除く): 27899140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557981, 1115962, 2231924, 2789905, 4463848, 5579810, 11159620, 22319240]

約数ペア:

[(1, 22319240), (2, 11159620), (4, 5579810), (5, 4463848), (8, 2789905), (10, 2231924), (20, 1115962), (40, 557981)]