31495280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17117}}^1$

素因数の和:17153

約数の個数: 40

約数和(自身を含む): 76414752

約数和(自身を除く): 44919472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 17117, 34234, 68468, 85585, 136936, 171170, 273872, 342340, 393691, 684680, 787382, 1369360, 1574764, 1968455, 3149528, 3936910, 6299056, 7873820, 15747640, 31495280]

約数ペア:

[(1, 31495280), (2, 15747640), (4, 7873820), (5, 6299056), (8, 3936910), (10, 3149528), (16, 1968455), (20, 1574764), (23, 1369360), (40, 787382), (46, 684680), (80, 393691), (92, 342340), (115, 273872), (184, 171170), (230, 136936), (368, 85585), (460, 68468), (920, 34234), (1840, 17117)]