131245360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71329}}^1$

素因数の和:71365

約数の個数: 40

約数和(自身を含む): 318417120

約数和(自身を除く): 187171760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 71329, 142658, 285316, 356645, 570632, 713290, 1141264, 1426580, 1640567, 2853160, 3281134, 5706320, 6562268, 8202835, 13124536, 16405670, 26249072, 32811340, 65622680, 131245360]

約数ペア:

[(1, 131245360), (2, 65622680), (4, 32811340), (5, 26249072), (8, 16405670), (10, 13124536), (16, 8202835), (20, 6562268), (23, 5706320), (40, 3281134), (46, 2853160), (80, 1640567), (92, 1426580), (115, 1141264), (184, 713290), (230, 570632), (368, 356645), (460, 285316), (920, 142658), (1840, 71329)]