1335920

素因数分解:

$2^4\times 5^1\times {\mathrm{16699}}^1$

素因数の和:16712

約数の個数: 20

約数和(自身を含む): 3106200

約数和(自身を除く): 1770280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16699, 33398, 66796, 83495, 133592, 166990, 267184, 333980, 667960, 1335920]

約数ペア:

[(1, 1335920), (2, 667960), (4, 333980), (5, 267184), (8, 166990), (10, 133592), (16, 83495), (20, 66796), (40, 33398), (80, 16699)]