40338190

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{51061}}^1$

素因数の和:51147

約数の個数: 16

約数和(自身を含む): 73529280

約数和(自身を除く): 33191090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 51061, 102122, 255305, 510610, 4033819, 8067638, 20169095, 40338190]

約数ペア:

[(1, 40338190), (2, 20169095), (5, 8067638), (10, 4033819), (79, 510610), (158, 255305), (395, 102122), (790, 51061)]