42129740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123911}}^1$

素因数の和:123937

約数の個数: 24

約数和(自身を含む): 93677472

約数和(自身を除く): 51547732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 123911, 247822, 495644, 619555, 1239110, 2106487, 2478220, 4212974, 8425948, 10532435, 21064870, 42129740]

約数ペア:

[(1, 42129740), (2, 21064870), (4, 10532435), (5, 8425948), (10, 4212974), (17, 2478220), (20, 2106487), (34, 1239110), (68, 619555), (85, 495644), (170, 247822), (340, 123911)]