29780120

素因数分解:

$2^3\times 5^1\times {\mathrm{744503}}^1$

素因数の和:744514

約数の個数: 16

約数和(自身を含む): 67005360

約数和(自身を除く): 37225240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 744503, 1489006, 2978012, 3722515, 5956024, 7445030, 14890060, 29780120]

約数ペア:

[(1, 29780120), (2, 14890060), (4, 7445030), (5, 5956024), (8, 3722515), (10, 2978012), (20, 1489006), (40, 744503)]