16880480

素因数分解:

$2^5\times 5^1\times {\mathrm{105503}}^1$

素因数の和:105518

約数の個数: 24

約数和(自身を含む): 39880512

約数和(自身を除く): 23000032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 105503, 211006, 422012, 527515, 844024, 1055030, 1688048, 2110060, 3376096, 4220120, 8440240, 16880480]

約数ペア:

[(1, 16880480), (2, 8440240), (4, 4220120), (5, 3376096), (8, 2110060), (10, 1688048), (16, 1055030), (20, 844024), (32, 527515), (40, 422012), (80, 211006), (160, 105503)]