26535280

素因数分解:

$2^4\times 5^1\times {\mathrm{331691}}^1$

素因数の和:331704

約数の個数: 20

約数和(自身を含む): 61694712

約数和(自身を除く): 35159432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331691, 663382, 1326764, 1658455, 2653528, 3316910, 5307056, 6633820, 13267640, 26535280]

約数ペア:

[(1, 26535280), (2, 13267640), (4, 6633820), (5, 5307056), (8, 3316910), (10, 2653528), (16, 1658455), (20, 1326764), (40, 663382), (80, 331691)]