89111480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 207567360

約数和(自身を除く): 118455880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 103, 172, 206, 215, 344, 412, 430, 503, 515, 824, 860, 1006, 1030, 1720, 2012, 2060, 2515, 4024, 4120, 4429, 5030, 8858, 10060, 17716, 20120, 21629, 22145, 35432, 43258, 44290, 51809, 86516, 88580, 103618, 108145, 173032, 177160, 207236, 216290, 259045, 414472, 432580, 518090, 865160, 1036180, 2072360, 2227787, 4455574, 8911148, 11138935, 17822296, 22277870, 44555740, 89111480]

約数ペア:

[(1, 89111480), (2, 44555740), (4, 22277870), (5, 17822296), (8, 11138935), (10, 8911148), (20, 4455574), (40, 2227787), (43, 2072360), (86, 1036180), (103, 865160), (172, 518090), (206, 432580), (215, 414472), (344, 259045), (412, 216290), (430, 207236), (503, 177160), (515, 173032), (824, 108145), (860, 103618), (1006, 88580), (1030, 86516), (1720, 51809), (2012, 44290), (2060, 43258), (2515, 35432), (4024, 22145), (4120, 21629), (4429, 20120), (5030, 17716), (8858, 10060)]