162001520

素因数分解:

$2^4\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{1571}}^1$

素因数の和:2873

約数の個数: 40

約数和(自身を含む): 377185680

約数和(自身を除く): 215184160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1289, 1571, 2578, 3142, 5156, 6284, 6445, 7855, 10312, 12568, 12890, 15710, 20624, 25136, 25780, 31420, 51560, 62840, 103120, 125680, 2025019, 4050038, 8100076, 10125095, 16200152, 20250190, 32400304, 40500380, 81000760, 162001520]

約数ペア:

[(1, 162001520), (2, 81000760), (4, 40500380), (5, 32400304), (8, 20250190), (10, 16200152), (16, 10125095), (20, 8100076), (40, 4050038), (80, 2025019), (1289, 125680), (1571, 103120), (2578, 62840), (3142, 51560), (5156, 31420), (6284, 25780), (6445, 25136), (7855, 20624), (10312, 15710), (12568, 12890)]