85841720

素因数分解:

$2^3\times 5^1\times {\mathrm{2146043}}^1$

素因数の和:2146054

約数の個数: 16

約数和(自身を含む): 193143960

約数和(自身を除く): 107302240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2146043, 4292086, 8584172, 10730215, 17168344, 21460430, 42920860, 85841720]

約数ペア:

[(1, 85841720), (2, 42920860), (4, 21460430), (5, 17168344), (8, 10730215), (10, 8584172), (20, 4292086), (40, 2146043)]