61132420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{43051}}^1$

素因数の和:43131

約数の個数: 24

約数和(自身を含む): 130189248

約数和(自身を除く): 69056828

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 43051, 86102, 172204, 215255, 430510, 861020, 3056621, 6113242, 12226484, 15283105, 30566210, 61132420]

約数ペア:

[(1, 61132420), (2, 30566210), (4, 15283105), (5, 12226484), (10, 6113242), (20, 3056621), (71, 861020), (142, 430510), (284, 215255), (355, 172204), (710, 86102), (1420, 43051)]