205425860

素因数分解:

$2^2\times 5^1\times {\mathrm{2113}}^1\times {\mathrm{4861}}^1$

素因数の和:6983

約数の個数: 24

約数和(自身を含む): 431687256

約数和(自身を除く): 226261396

約数列:

[1, 2, 4, 5, 10, 20, 2113, 4226, 4861, 8452, 9722, 10565, 19444, 21130, 24305, 42260, 48610, 97220, 10271293, 20542586, 41085172, 51356465, 102712930, 205425860]

約数ペア:

[(1, 205425860), (2, 102712930), (4, 51356465), (5, 41085172), (10, 20542586), (20, 10271293), (2113, 97220), (4226, 48610), (4861, 42260), (8452, 24305), (9722, 21130), (10565, 19444)]