978021640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1063067}}^1$

素因数の和:1063101

約数の個数: 32

約数和(自身を含む): 2296226880

約数和(自身を除く): 1318205240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1063067, 2126134, 4252268, 5315335, 8504536, 10630670, 21261340, 24450541, 42522680, 48901082, 97802164, 122252705, 195604328, 244505410, 489010820, 978021640]

約数ペア:

[(1, 978021640), (2, 489010820), (4, 244505410), (5, 195604328), (8, 122252705), (10, 97802164), (20, 48901082), (23, 42522680), (40, 24450541), (46, 21261340), (92, 10630670), (115, 8504536), (184, 5315335), (230, 4252268), (460, 2126134), (920, 1063067)]