83631740

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21013}}^1$

素因数の和:21221

約数の個数: 24

約数和(自身を含む): 176517600

約数和(自身を除く): 92885860

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 21013, 42026, 84052, 105065, 210130, 420260, 4181587, 8363174, 16726348, 20907935, 41815870, 83631740]

約数ペア:

[(1, 83631740), (2, 41815870), (4, 20907935), (5, 16726348), (10, 8363174), (20, 4181587), (199, 420260), (398, 210130), (796, 105065), (995, 84052), (1990, 42026), (3980, 21013)]