42493460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49411}}^1$

素因数の和:49463

約数の個数: 24

約数和(自身を含む): 91313376

約数和(自身を除く): 48819916

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 49411, 98822, 197644, 247055, 494110, 988220, 2124673, 4249346, 8498692, 10623365, 21246730, 42493460]

約数ペア:

[(1, 42493460), (2, 21246730), (4, 10623365), (5, 8498692), (10, 4249346), (20, 2124673), (43, 988220), (86, 494110), (172, 247055), (215, 197644), (430, 98822), (860, 49411)]