1285203760

素因数分解:

$2^4\times 5^1\times {\mathrm{16065047}}^1$

素因数の和:16065060

約数の個数: 20

約数和(自身を含む): 2988098928

約数和(自身を除く): 1702895168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16065047, 32130094, 64260188, 80325235, 128520376, 160650470, 257040752, 321300940, 642601880, 1285203760]

約数ペア:

[(1, 1285203760), (2, 642601880), (4, 321300940), (5, 257040752), (8, 160650470), (10, 128520376), (16, 80325235), (20, 64260188), (40, 32130094), (80, 16065047)]