28222160

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1847}}^1$

素因数の和:2051

約数の個数: 40

約数和(自身を含む): 65995776

約数和(自身を除く): 37773616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1847, 1910, 3056, 3694, 3820, 7388, 7640, 9235, 14776, 15280, 18470, 29552, 36940, 73880, 147760, 352777, 705554, 1411108, 1763885, 2822216, 3527770, 5644432, 7055540, 14111080, 28222160]

約数ペア:

[(1, 28222160), (2, 14111080), (4, 7055540), (5, 5644432), (8, 3527770), (10, 2822216), (16, 1763885), (20, 1411108), (40, 705554), (80, 352777), (191, 147760), (382, 73880), (764, 36940), (955, 29552), (1528, 18470), (1847, 15280), (1910, 14776), (3056, 9235), (3694, 7640), (3820, 7388)]