89079280

素因数分解:

$2^4\times 5^1\times {\mathrm{1113491}}^1$

素因数の和:1113504

約数の個数: 20

約数和(自身を含む): 207109512

約数和(自身を除く): 118030232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1113491, 2226982, 4453964, 5567455, 8907928, 11134910, 17815856, 22269820, 44539640, 89079280]

約数ペア:

[(1, 89079280), (2, 44539640), (4, 22269820), (5, 17815856), (8, 11134910), (10, 8907928), (16, 5567455), (20, 4453964), (40, 2226982), (80, 1113491)]