2223880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1049}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 5103000

約数和(自身を除く): 2879120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1049, 1060, 2098, 2120, 4196, 5245, 8392, 10490, 20980, 41960, 55597, 111194, 222388, 277985, 444776, 555970, 1111940, 2223880]

約数ペア:

[(1, 2223880), (2, 1111940), (4, 555970), (5, 444776), (8, 277985), (10, 222388), (20, 111194), (40, 55597), (53, 41960), (106, 20980), (212, 10490), (265, 8392), (424, 5245), (530, 4196), (1049, 2120), (1060, 2098)]