848931980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3265123}}^1$

素因数の和:3265145

約数の個数: 24

約数和(自身を含む): 1919892912

約数和(自身を除く): 1070960932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3265123, 6530246, 13060492, 16325615, 32651230, 42446599, 65302460, 84893198, 169786396, 212232995, 424465990, 848931980]

約数ペア:

[(1, 848931980), (2, 424465990), (4, 212232995), (5, 169786396), (10, 84893198), (13, 65302460), (20, 42446599), (26, 32651230), (52, 16325615), (65, 13060492), (130, 6530246), (260, 3265123)]