42538420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125113}}^1$

素因数の和:125139

約数の個数: 24

約数和(自身を含む): 94586184

約数和(自身を除く): 52047764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 125113, 250226, 500452, 625565, 1251130, 2126921, 2502260, 4253842, 8507684, 10634605, 21269210, 42538420]

約数ペア:

[(1, 42538420), (2, 21269210), (4, 10634605), (5, 8507684), (10, 4253842), (17, 2502260), (20, 2126921), (34, 1251130), (68, 625565), (85, 500452), (170, 250226), (340, 125113)]