978791860

素因数分解:

$2^2\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{47933}}^1$

素因数の和:48963

約数の個数: 24

約数和(自身を含む): 2057519016

約数和(自身を除く): 1078727156

約数列:

[1, 2, 4, 5, 10, 20, 1021, 2042, 4084, 5105, 10210, 20420, 47933, 95866, 191732, 239665, 479330, 958660, 48939593, 97879186, 195758372, 244697965, 489395930, 978791860]

約数ペア:

[(1, 978791860), (2, 489395930), (4, 244697965), (5, 195758372), (10, 97879186), (20, 48939593), (1021, 958660), (2042, 479330), (4084, 239665), (5105, 191732), (10210, 95866), (20420, 47933)]