39129040

素因数分解:

$2^4\times 5^1\times {\mathrm{489113}}^1$

素因数の和:489126

約数の個数: 20

約数和(自身を含む): 90975204

約数和(自身を除く): 51846164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 489113, 978226, 1956452, 2445565, 3912904, 4891130, 7825808, 9782260, 19564520, 39129040]

約数ペア:

[(1, 39129040), (2, 19564520), (4, 9782260), (5, 7825808), (8, 4891130), (10, 3912904), (16, 2445565), (20, 1956452), (40, 978226), (80, 489113)]