22438840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7901}}^1$

素因数の和:7983

約数の個数: 32

約数和(自身を含む): 51204960

約数和(自身を除く): 28766120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 7901, 15802, 31604, 39505, 63208, 79010, 158020, 316040, 560971, 1121942, 2243884, 2804855, 4487768, 5609710, 11219420, 22438840]

約数ペア:

[(1, 22438840), (2, 11219420), (4, 5609710), (5, 4487768), (8, 2804855), (10, 2243884), (20, 1121942), (40, 560971), (71, 316040), (142, 158020), (284, 79010), (355, 63208), (568, 39505), (710, 31604), (1420, 15802), (2840, 7901)]