39261520

素因数分解:

$2^4\times 5^1\times {\mathrm{490769}}^1$

素因数の和:490782

約数の個数: 20

約数和(自身を含む): 91283220

約数和(自身を除く): 52021700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490769, 981538, 1963076, 2453845, 3926152, 4907690, 7852304, 9815380, 19630760, 39261520]

約数ペア:

[(1, 39261520), (2, 19630760), (4, 9815380), (5, 7852304), (8, 4907690), (10, 3926152), (16, 2453845), (20, 1963076), (40, 981538), (80, 490769)]