1566654820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{24781}}^1$

素因数の和:24928

約数の個数: 48

約数和(自身を含む): 3434785200

約数和(自身を除く): 1868130380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 290, 436, 545, 580, 1090, 2180, 3161, 6322, 12644, 15805, 24781, 31610, 49562, 63220, 99124, 123905, 247810, 495620, 718649, 1437298, 2701129, 2874596, 3593245, 5402258, 7186490, 10804516, 13505645, 14372980, 27011290, 54022580, 78332741, 156665482, 313330964, 391663705, 783327410, 1566654820]

約数ペア:

[(1, 1566654820), (2, 783327410), (4, 391663705), (5, 313330964), (10, 156665482), (20, 78332741), (29, 54022580), (58, 27011290), (109, 14372980), (116, 13505645), (145, 10804516), (218, 7186490), (290, 5402258), (436, 3593245), (545, 2874596), (580, 2701129), (1090, 1437298), (2180, 718649), (3161, 495620), (6322, 247810), (12644, 123905), (15805, 99124), (24781, 63220), (31610, 49562)]