11815600

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:398

約数の個数: 60

約数和(自身を含む): 28753120

約数和(自身を除く): 16937520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 271, 400, 436, 542, 545, 872, 1084, 1090, 1355, 1744, 2168, 2180, 2710, 2725, 4336, 4360, 5420, 5450, 6775, 8720, 10840, 10900, 13550, 21680, 21800, 27100, 29539, 43600, 54200, 59078, 108400, 118156, 147695, 236312, 295390, 472624, 590780, 738475, 1181560, 1476950, 2363120, 2953900, 5907800, 11815600]

約数ペア:

[(1, 11815600), (2, 5907800), (4, 2953900), (5, 2363120), (8, 1476950), (10, 1181560), (16, 738475), (20, 590780), (25, 472624), (40, 295390), (50, 236312), (80, 147695), (100, 118156), (109, 108400), (200, 59078), (218, 54200), (271, 43600), (400, 29539), (436, 27100), (542, 21800), (545, 21680), (872, 13550), (1084, 10900), (1090, 10840), (1355, 8720), (1744, 6775), (2168, 5450), (2180, 5420), (2710, 4360), (2725, 4336)]