40738520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44281}}^1$

素因数の和:44315

約数の個数: 32

約数和(自身を含む): 95649120

約数和(自身を除く): 54910600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 44281, 88562, 177124, 221405, 354248, 442810, 885620, 1018463, 1771240, 2036926, 4073852, 5092315, 8147704, 10184630, 20369260, 40738520]

約数ペア:

[(1, 40738520), (2, 20369260), (4, 10184630), (5, 8147704), (8, 5092315), (10, 4073852), (20, 2036926), (23, 1771240), (40, 1018463), (46, 885620), (92, 442810), (115, 354248), (184, 221405), (230, 177124), (460, 88562), (920, 44281)]