22870840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13297}}^1$

素因数の和:13351

約数の個数: 32

約数和(自身を含む): 52660080

約数和(自身を除く): 29789240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 13297, 26594, 53188, 66485, 106376, 132970, 265940, 531880, 571771, 1143542, 2287084, 2858855, 4574168, 5717710, 11435420, 22870840]

約数ペア:

[(1, 22870840), (2, 11435420), (4, 5717710), (5, 4574168), (8, 2858855), (10, 2287084), (20, 1143542), (40, 571771), (43, 531880), (86, 265940), (172, 132970), (215, 106376), (344, 66485), (430, 53188), (860, 26594), (1720, 13297)]