40742072

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10247}}^1$

素因数の和:10331

約数の個数: 32

約数和(自身を含む): 88542720

約数和(自身を除く): 47800648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 10247, 20494, 40988, 71729, 81976, 143458, 286916, 573832, 727537, 1455074, 2910148, 5092759, 5820296, 10185518, 20371036, 40742072]

約数ペア:

[(1, 40742072), (2, 20371036), (4, 10185518), (7, 5820296), (8, 5092759), (14, 2910148), (28, 1455074), (56, 727537), (71, 573832), (142, 286916), (284, 143458), (497, 81976), (568, 71729), (994, 40988), (1988, 20494), (3976, 10247)]