64878020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1201}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 141961008

約数和(自身を除く): 77082988

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 146, 148, 185, 292, 365, 370, 730, 740, 1201, 1460, 2402, 2701, 4804, 5402, 6005, 10804, 12010, 13505, 24020, 27010, 44437, 54020, 87673, 88874, 175346, 177748, 222185, 350692, 438365, 444370, 876730, 888740, 1753460, 3243901, 6487802, 12975604, 16219505, 32439010, 64878020]

約数ペア:

[(1, 64878020), (2, 32439010), (4, 16219505), (5, 12975604), (10, 6487802), (20, 3243901), (37, 1753460), (73, 888740), (74, 876730), (146, 444370), (148, 438365), (185, 350692), (292, 222185), (365, 177748), (370, 175346), (730, 88874), (740, 87673), (1201, 54020), (1460, 44437), (2402, 27010), (2701, 24020), (4804, 13505), (5402, 12010), (6005, 10804)]