11955980

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2273}}^1$

素因数の和:2545

約数の個数: 24

約数和(自身を含む): 25214112

約数和(自身を除く): 13258132

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2273, 2630, 4546, 5260, 9092, 11365, 22730, 45460, 597799, 1195598, 2391196, 2988995, 5977990, 11955980]

約数ペア:

[(1, 11955980), (2, 5977990), (4, 2988995), (5, 2391196), (10, 1195598), (20, 597799), (263, 45460), (526, 22730), (1052, 11365), (1315, 9092), (2273, 5260), (2630, 4546)]