65603420

素因数分解:

$2^2\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{3121}}^1$

素因数の和:4181

約数の個数: 24

約数和(自身を含む): 137942448

約数和(自身を除く): 72339028

約数列:

[1, 2, 4, 5, 10, 20, 1051, 2102, 3121, 4204, 5255, 6242, 10510, 12484, 15605, 21020, 31210, 62420, 3280171, 6560342, 13120684, 16400855, 32801710, 65603420]

約数ペア:

[(1, 65603420), (2, 32801710), (4, 16400855), (5, 13120684), (10, 6560342), (20, 3280171), (1051, 62420), (2102, 31210), (3121, 21020), (4204, 15605), (5255, 12484), (6242, 10510)]