811393120

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{18047}}^1$

素因数の和:18343

約数の個数: 48

約数和(自身を含む): 1923844608

約数和(自身を除く): 1112451488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 562, 1124, 1405, 2248, 2810, 4496, 5620, 8992, 11240, 18047, 22480, 36094, 44960, 72188, 90235, 144376, 180470, 288752, 360940, 577504, 721880, 1443760, 2887520, 5071207, 10142414, 20284828, 25356035, 40569656, 50712070, 81139312, 101424140, 162278624, 202848280, 405696560, 811393120]

約数ペア:

[(1, 811393120), (2, 405696560), (4, 202848280), (5, 162278624), (8, 101424140), (10, 81139312), (16, 50712070), (20, 40569656), (32, 25356035), (40, 20284828), (80, 10142414), (160, 5071207), (281, 2887520), (562, 1443760), (1124, 721880), (1405, 577504), (2248, 360940), (2810, 288752), (4496, 180470), (5620, 144376), (8992, 90235), (11240, 72188), (18047, 44960), (22480, 36094)]