220185940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{846869}}^1$

素因数の和:846891

約数の個数: 24

約数和(自身を含む): 497959560

約数和(自身を除く): 277773620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 846869, 1693738, 3387476, 4234345, 8468690, 11009297, 16937380, 22018594, 44037188, 55046485, 110092970, 220185940]

約数ペア:

[(1, 220185940), (2, 110092970), (4, 55046485), (5, 44037188), (10, 22018594), (13, 16937380), (20, 11009297), (26, 8468690), (52, 4234345), (65, 3387476), (130, 1693738), (260, 846869)]