28661600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{3257}}^1$

素因数の和:3288

約数の個数: 72

約数和(自身を含む): 76354488

約数和(自身を除く): 47692888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 3257, 4400, 6514, 8800, 13028, 16285, 26056, 32570, 35827, 52112, 65140, 71654, 81425, 104224, 130280, 143308, 162850, 179135, 260560, 286616, 325700, 358270, 521120, 573232, 651400, 716540, 895675, 1146464, 1302800, 1433080, 1791350, 2605600, 2866160, 3582700, 5732320, 7165400, 14330800, 28661600]

約数ペア:

[(1, 28661600), (2, 14330800), (4, 7165400), (5, 5732320), (8, 3582700), (10, 2866160), (11, 2605600), (16, 1791350), (20, 1433080), (22, 1302800), (25, 1146464), (32, 895675), (40, 716540), (44, 651400), (50, 573232), (55, 521120), (80, 358270), (88, 325700), (100, 286616), (110, 260560), (160, 179135), (176, 162850), (200, 143308), (220, 130280), (275, 104224), (352, 81425), (400, 71654), (440, 65140), (550, 52112), (800, 35827), (880, 32570), (1100, 26056), (1760, 16285), (2200, 13028), (3257, 8800), (4400, 6514)]