64421180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1019}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 141372000

約数和(自身を除く): 76950820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 290, 436, 545, 580, 1019, 1090, 2038, 2180, 3161, 4076, 5095, 6322, 10190, 12644, 15805, 20380, 29551, 31610, 59102, 63220, 111071, 118204, 147755, 222142, 295510, 444284, 555355, 591020, 1110710, 2221420, 3221059, 6442118, 12884236, 16105295, 32210590, 64421180]

約数ペア:

[(1, 64421180), (2, 32210590), (4, 16105295), (5, 12884236), (10, 6442118), (20, 3221059), (29, 2221420), (58, 1110710), (109, 591020), (116, 555355), (145, 444284), (218, 295510), (290, 222142), (436, 147755), (545, 118204), (580, 111071), (1019, 63220), (1090, 59102), (2038, 31610), (2180, 29551), (3161, 20380), (4076, 15805), (5095, 12644), (6322, 10190)]