31256080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16987}}^1$

素因数の和:17023

約数の個数: 40

約数和(自身を含む): 75834432

約数和(自身を除く): 44578352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 16987, 33974, 67948, 84935, 135896, 169870, 271792, 339740, 390701, 679480, 781402, 1358960, 1562804, 1953505, 3125608, 3907010, 6251216, 7814020, 15628040, 31256080]

約数ペア:

[(1, 31256080), (2, 15628040), (4, 7814020), (5, 6251216), (8, 3907010), (10, 3125608), (16, 1953505), (20, 1562804), (23, 1358960), (40, 781402), (46, 679480), (80, 390701), (92, 339740), (115, 271792), (184, 169870), (230, 135896), (368, 84935), (460, 67948), (920, 33974), (1840, 16987)]