39440710

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{10139}}^1$

素因数の和:10535

約数の個数: 16

約数和(自身を含む): 71182800

約数和(自身を除く): 31742090

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 10139, 20278, 50695, 101390, 3944071, 7888142, 19720355, 39440710]

約数ペア:

[(1, 39440710), (2, 19720355), (5, 7888142), (10, 3944071), (389, 101390), (778, 50695), (1945, 20278), (3890, 10139)]