84875020

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{12821}}^1$

素因数の和:13161

約数の個数: 24

約数和(自身を含む): 178789968

約数和(自身を除く): 93914948

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 12821, 25642, 51284, 64105, 128210, 256420, 4243751, 8487502, 16975004, 21218755, 42437510, 84875020]

約数ペア:

[(1, 84875020), (2, 42437510), (4, 21218755), (5, 16975004), (10, 8487502), (20, 4243751), (331, 256420), (662, 128210), (1324, 64105), (1655, 51284), (3310, 25642), (6620, 12821)]