268990160

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25667}}^1$

素因数の和:25811

約数の個数: 40

約数和(自身を含む): 630200736

約数和(自身を除く): 361210576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 25667, 51334, 102668, 128335, 205336, 256670, 410672, 513340, 1026680, 2053360, 3362377, 6724754, 13449508, 16811885, 26899016, 33623770, 53798032, 67247540, 134495080, 268990160]

約数ペア:

[(1, 268990160), (2, 134495080), (4, 67247540), (5, 53798032), (8, 33623770), (10, 26899016), (16, 16811885), (20, 13449508), (40, 6724754), (80, 3362377), (131, 2053360), (262, 1026680), (524, 513340), (655, 410672), (1048, 256670), (1310, 205336), (2096, 128335), (2620, 102668), (5240, 51334), (10480, 25667)]