40790990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239947}}^1$

素因数の和:239971

約数の個数: 16

約数和(自身を含む): 77743152

約数和(自身を除く): 36952162

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 239947, 479894, 1199735, 2399470, 4079099, 8158198, 20395495, 40790990]

約数ペア:

[(1, 40790990), (2, 20395495), (5, 8158198), (10, 4079099), (17, 2399470), (34, 1199735), (85, 479894), (170, 239947)]