12702800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2887}}^1$

素因数の和:2916

約数の個数: 60

約数和(自身を含む): 33304416

約数和(自身を除く): 20601616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 2887, 4400, 5774, 11548, 14435, 23096, 28870, 31757, 46192, 57740, 63514, 72175, 115480, 127028, 144350, 158785, 230960, 254056, 288700, 317570, 508112, 577400, 635140, 793925, 1154800, 1270280, 1587850, 2540560, 3175700, 6351400, 12702800]

約数ペア:

[(1, 12702800), (2, 6351400), (4, 3175700), (5, 2540560), (8, 1587850), (10, 1270280), (11, 1154800), (16, 793925), (20, 635140), (22, 577400), (25, 508112), (40, 317570), (44, 288700), (50, 254056), (55, 230960), (80, 158785), (88, 144350), (100, 127028), (110, 115480), (176, 72175), (200, 63514), (220, 57740), (275, 46192), (400, 31757), (440, 28870), (550, 23096), (880, 14435), (1100, 11548), (2200, 5774), (2887, 4400)]