40556728

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{971}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 79781760

約数和(自身を除く): 39225032

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 227, 454, 908, 971, 1816, 1942, 3884, 5221, 7768, 10442, 20884, 22333, 41768, 44666, 89332, 178664, 220417, 440834, 881668, 1763336, 5069591, 10139182, 20278364, 40556728]

約数ペア:

[(1, 40556728), (2, 20278364), (4, 10139182), (8, 5069591), (23, 1763336), (46, 881668), (92, 440834), (184, 220417), (227, 178664), (454, 89332), (908, 44666), (971, 41768), (1816, 22333), (1942, 20884), (3884, 10442), (5221, 7768)]