27381440

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2087}}^1$

素因数の和:2145

約数の個数: 56

約数和(自身を含む): 66824352

約数和(自身を除く): 39442912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2087, 2624, 3280, 4174, 6560, 8348, 10435, 13120, 16696, 20870, 33392, 41740, 66784, 83480, 85567, 133568, 166960, 171134, 333920, 342268, 427835, 667840, 684536, 855670, 1369072, 1711340, 2738144, 3422680, 5476288, 6845360, 13690720, 27381440]

約数ペア:

[(1, 27381440), (2, 13690720), (4, 6845360), (5, 5476288), (8, 3422680), (10, 2738144), (16, 1711340), (20, 1369072), (32, 855670), (40, 684536), (41, 667840), (64, 427835), (80, 342268), (82, 333920), (160, 171134), (164, 166960), (205, 133568), (320, 85567), (328, 83480), (410, 66784), (656, 41740), (820, 33392), (1312, 20870), (1640, 16696), (2087, 13120), (2624, 10435), (3280, 8348), (4174, 6560)]