201212120

素因数分解:

$2^3\times 5^1\times {\mathrm{5030303}}^1$

素因数の和:5030314

約数の個数: 16

約数和(自身を含む): 452727360

約数和(自身を除く): 251515240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5030303, 10060606, 20121212, 25151515, 40242424, 50303030, 100606060, 201212120]

約数ペア:

[(1, 201212120), (2, 100606060), (4, 50303030), (5, 40242424), (8, 25151515), (10, 20121212), (20, 10060606), (40, 5030303)]