1613307617720

素因数分解:

$2^3\times 5^1\times {\mathrm{40332690443}}^1$

素因数の和:40332690454

約数の個数: 16

約数和(自身を含む): 3629942139960

約数和(自身を除く): 2016634522240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 40332690443, 80665380886, 161330761772, 201663452215, 322661523544, 403326904430, 806653808860, 1613307617720]

約数ペア:

[(1, 1613307617720), (2, 806653808860), (4, 403326904430), (5, 322661523544), (8, 201663452215), (10, 161330761772), (20, 80665380886), (40, 40332690443)]