13980560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15887}}^1$

素因数の和:15911

約数の個数: 40

約数和(自身を含む): 35462016

約数和(自身を除く): 21481456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 15887, 31774, 63548, 79435, 127096, 158870, 174757, 254192, 317740, 349514, 635480, 699028, 873785, 1270960, 1398056, 1747570, 2796112, 3495140, 6990280, 13980560]

約数ペア:

[(1, 13980560), (2, 6990280), (4, 3495140), (5, 2796112), (8, 1747570), (10, 1398056), (11, 1270960), (16, 873785), (20, 699028), (22, 635480), (40, 349514), (44, 317740), (55, 254192), (80, 174757), (88, 158870), (110, 127096), (176, 79435), (220, 63548), (440, 31774), (880, 15887)]