84808280

素因数分解:

$2^3\times 5^1\times {\mathrm{2120207}}^1$

素因数の和:2120218

約数の個数: 16

約数和(自身を含む): 190818720

約数和(自身を除く): 106010440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2120207, 4240414, 8480828, 10601035, 16961656, 21202070, 42404140, 84808280]

約数ペア:

[(1, 84808280), (2, 42404140), (4, 21202070), (5, 16961656), (8, 10601035), (10, 8480828), (20, 4240414), (40, 2120207)]