578049940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2223269}}^1$

素因数の和:2223291

約数の個数: 24

約数和(自身を含む): 1307282760

約数和(自身を除く): 729232820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2223269, 4446538, 8893076, 11116345, 22232690, 28902497, 44465380, 57804994, 115609988, 144512485, 289024970, 578049940]

約数ペア:

[(1, 578049940), (2, 289024970), (4, 144512485), (5, 115609988), (10, 57804994), (13, 44465380), (20, 28902497), (26, 22232690), (52, 11116345), (65, 8893076), (130, 4446538), (260, 2223269)]