65622680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71329}}^1$

素因数の和:71363

約数の個数: 32

約数和(自身を含む): 154072800

約数和(自身を除く): 88450120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 71329, 142658, 285316, 356645, 570632, 713290, 1426580, 1640567, 2853160, 3281134, 6562268, 8202835, 13124536, 16405670, 32811340, 65622680]

約数ペア:

[(1, 65622680), (2, 32811340), (4, 16405670), (5, 13124536), (8, 8202835), (10, 6562268), (20, 3281134), (23, 2853160), (40, 1640567), (46, 1426580), (92, 713290), (115, 570632), (184, 356645), (230, 285316), (460, 142658), (920, 71329)]