799220020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{562831}}^1$

素因数の和:562911

約数の個数: 24

約数和(自身を含む): 1702003968

約数和(自身を除く): 902783948

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 562831, 1125662, 2251324, 2814155, 5628310, 11256620, 39961001, 79922002, 159844004, 199805005, 399610010, 799220020]

約数ペア:

[(1, 799220020), (2, 399610010), (4, 199805005), (5, 159844004), (10, 79922002), (20, 39961001), (71, 11256620), (142, 5628310), (284, 2814155), (355, 2251324), (710, 1125662), (1420, 562831)]