2642165720

素因数分解:

$2^3\times 5^1\times {\mathrm{66054143}}^1$

素因数の和:66054154

約数の個数: 16

約数和(自身を含む): 5944872960

約数和(自身を除く): 3302707240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 66054143, 132108286, 264216572, 330270715, 528433144, 660541430, 1321082860, 2642165720]

約数ペア:

[(1, 2642165720), (2, 1321082860), (4, 660541430), (5, 528433144), (8, 330270715), (10, 264216572), (20, 132108286), (40, 66054143)]