42087580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123787}}^1$

素因数の和:123813

約数の個数: 24

約数和(自身を含む): 93583728

約数和(自身を除く): 51496148

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 123787, 247574, 495148, 618935, 1237870, 2104379, 2475740, 4208758, 8417516, 10521895, 21043790, 42087580]

約数ペア:

[(1, 42087580), (2, 21043790), (4, 10521895), (5, 8417516), (10, 4208758), (17, 2475740), (20, 2104379), (34, 1237870), (68, 618935), (85, 495148), (170, 247574), (340, 123787)]