205128037640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1481}}^1\times {\mathrm{80527}}^1$

素因数の和:82062

約数の個数: 64

約数和(自身を含む): 472596284160

約数和(自身を除く): 267468246520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1481, 1720, 2962, 5924, 7405, 11848, 14810, 29620, 59240, 63683, 80527, 127366, 161054, 254732, 318415, 322108, 402635, 509464, 636830, 644216, 805270, 1273660, 1610540, 2547320, 3221080, 3462661, 6925322, 13850644, 17313305, 27701288, 34626610, 69253220, 119260487, 138506440, 238520974, 477041948, 596302435, 954083896, 1192604870, 2385209740, 4770419480, 5128200941, 10256401882, 20512803764, 25641004705, 41025607528, 51282009410, 102564018820, 205128037640]

約数ペア:

[(1, 205128037640), (2, 102564018820), (4, 51282009410), (5, 41025607528), (8, 25641004705), (10, 20512803764), (20, 10256401882), (40, 5128200941), (43, 4770419480), (86, 2385209740), (172, 1192604870), (215, 954083896), (344, 596302435), (430, 477041948), (860, 238520974), (1481, 138506440), (1720, 119260487), (2962, 69253220), (5924, 34626610), (7405, 27701288), (11848, 17313305), (14810, 13850644), (29620, 6925322), (59240, 3462661), (63683, 3221080), (80527, 2547320), (127366, 1610540), (161054, 1273660), (254732, 805270), (318415, 644216), (322108, 636830), (402635, 509464)]