16884880

素因数分解:

$2^4\times 5^1\times {\mathrm{211061}}^1$

素因数の和:211074

約数の個数: 20

約数和(自身を含む): 39257532

約数和(自身を除く): 22372652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211061, 422122, 844244, 1055305, 1688488, 2110610, 3376976, 4221220, 8442440, 16884880]

約数ペア:

[(1, 16884880), (2, 8442440), (4, 4221220), (5, 3376976), (8, 2110610), (10, 1688488), (16, 1055305), (20, 844244), (40, 422122), (80, 211061)]