209325980

素因数分解:

$2^2\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{6271}}^1$

素因数の和:7949

約数の個数: 24

約数和(自身を含む): 439918080

約数和(自身を除く): 230592100

約数列:

[1, 2, 4, 5, 10, 20, 1669, 3338, 6271, 6676, 8345, 12542, 16690, 25084, 31355, 33380, 62710, 125420, 10466299, 20932598, 41865196, 52331495, 104662990, 209325980]

約数ペア:

[(1, 209325980), (2, 104662990), (4, 52331495), (5, 41865196), (10, 20932598), (20, 10466299), (1669, 125420), (3338, 62710), (6271, 33380), (6676, 31355), (8345, 25084), (12542, 16690)]