129620980

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{29063}}^1$

素因数の和:29295

約数の個数: 24

約数和(自身を含む): 273434112

約数和(自身を除く): 143813132

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 29063, 58126, 116252, 145315, 290630, 581260, 6481049, 12962098, 25924196, 32405245, 64810490, 129620980]

約数ペア:

[(1, 129620980), (2, 64810490), (4, 32405245), (5, 25924196), (10, 12962098), (20, 6481049), (223, 581260), (446, 290630), (892, 145315), (1115, 116252), (2230, 58126), (4460, 29063)]