40393168

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{58711}}^1$

素因数の和:58762

約数の個数: 20

約数和(自身を含む): 80083168

約数和(自身を除く): 39690000

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 58711, 117422, 234844, 469688, 939376, 2524573, 5049146, 10098292, 20196584, 40393168]

約数ペア:

[(1, 40393168), (2, 20196584), (4, 10098292), (8, 5049146), (16, 2524573), (43, 939376), (86, 469688), (172, 234844), (344, 117422), (688, 58711)]