12889660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4003}}^1$

素因数の和:4042

約数の個数: 48

約数和(自身を含む): 32288256

約数和(自身を除く): 19398596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 4003, 8006, 16012, 20015, 28021, 40030, 56042, 80060, 92069, 112084, 140105, 184138, 280210, 368276, 460345, 560420, 644483, 920690, 1288966, 1841380, 2577932, 3222415, 6444830, 12889660]

約数ペア:

[(1, 12889660), (2, 6444830), (4, 3222415), (5, 2577932), (7, 1841380), (10, 1288966), (14, 920690), (20, 644483), (23, 560420), (28, 460345), (35, 368276), (46, 280210), (70, 184138), (92, 140105), (115, 112084), (140, 92069), (161, 80060), (230, 56042), (322, 40030), (460, 28021), (644, 20015), (805, 16012), (1610, 8006), (3220, 4003)]