80063840

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1609}}^1$

素因数の和:1935

約数の個数: 48

約数和(自身を含む): 189876960

約数和(自身を除く): 109813120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1244, 1555, 1609, 2488, 3110, 3218, 4976, 6220, 6436, 8045, 9952, 12440, 12872, 16090, 24880, 25744, 32180, 49760, 51488, 64360, 128720, 257440, 500399, 1000798, 2001596, 2501995, 4003192, 5003990, 8006384, 10007980, 16012768, 20015960, 40031920, 80063840]

約数ペア:

[(1, 80063840), (2, 40031920), (4, 20015960), (5, 16012768), (8, 10007980), (10, 8006384), (16, 5003990), (20, 4003192), (32, 2501995), (40, 2001596), (80, 1000798), (160, 500399), (311, 257440), (622, 128720), (1244, 64360), (1555, 51488), (1609, 49760), (2488, 32180), (3110, 25744), (3218, 24880), (4976, 16090), (6220, 12872), (6436, 12440), (8045, 9952)]