222111080

素因数分解:

$2^3\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{3331}}^1$

素因数の和:5009

約数の個数: 32

約数和(自身を含む): 500199840

約数和(自身を除く): 278088760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1667, 3331, 3334, 6662, 6668, 8335, 13324, 13336, 16655, 16670, 26648, 33310, 33340, 66620, 66680, 133240, 5552777, 11105554, 22211108, 27763885, 44422216, 55527770, 111055540, 222111080]

約数ペア:

[(1, 222111080), (2, 111055540), (4, 55527770), (5, 44422216), (8, 27763885), (10, 22211108), (20, 11105554), (40, 5552777), (1667, 133240), (3331, 66680), (3334, 66620), (6662, 33340), (6668, 33310), (8335, 26648), (13324, 16670), (13336, 16655)]