1428880

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:403

約数の個数: 40

約数和(自身を含む): 3394872

約数和(自身を除く): 1965992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 337, 424, 530, 674, 848, 1060, 1348, 1685, 2120, 2696, 3370, 4240, 5392, 6740, 13480, 17861, 26960, 35722, 71444, 89305, 142888, 178610, 285776, 357220, 714440, 1428880]

約数ペア:

[(1, 1428880), (2, 714440), (4, 357220), (5, 285776), (8, 178610), (10, 142888), (16, 89305), (20, 71444), (40, 35722), (53, 26960), (80, 17861), (106, 13480), (212, 6740), (265, 5392), (337, 4240), (424, 3370), (530, 2696), (674, 2120), (848, 1685), (1060, 1348)]