39780130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9871}}^1$

素因数の和:9922

約数の個数: 32

約数和(自身を含む): 79607808

約数和(自身を除く): 39827678

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 9871, 19742, 49355, 98710, 128323, 256646, 306001, 612002, 641615, 1283230, 1530005, 3060010, 3978013, 7956026, 19890065, 39780130]

約数ペア:

[(1, 39780130), (2, 19890065), (5, 7956026), (10, 3978013), (13, 3060010), (26, 1530005), (31, 1283230), (62, 641615), (65, 612002), (130, 306001), (155, 256646), (310, 128323), (403, 98710), (806, 49355), (2015, 19742), (4030, 9871)]