51806140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{8963}}^1$

素因数の和:9006

約数の個数: 36

約数和(自身を含む): 115581816

約数和(自身を除く): 63775676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 8963, 17926, 35852, 44815, 89630, 152371, 179260, 304742, 609484, 761855, 1523710, 2590307, 3047420, 5180614, 10361228, 12951535, 25903070, 51806140]

約数ペア:

[(1, 51806140), (2, 25903070), (4, 12951535), (5, 10361228), (10, 5180614), (17, 3047420), (20, 2590307), (34, 1523710), (68, 761855), (85, 609484), (170, 304742), (289, 179260), (340, 152371), (578, 89630), (1156, 44815), (1445, 35852), (2890, 17926), (5780, 8963)]