16428140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26497}}^1$

素因数の和:26537

約数の個数: 24

約数和(自身を含む): 35613312

約数和(自身を除く): 19185172

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 26497, 52994, 105988, 132485, 264970, 529940, 821407, 1642814, 3285628, 4107035, 8214070, 16428140]

約数ペア:

[(1, 16428140), (2, 8214070), (4, 4107035), (5, 3285628), (10, 1642814), (20, 821407), (31, 529940), (62, 264970), (124, 132485), (155, 105988), (310, 52994), (620, 26497)]