89805680

素因数分解:

$2^4\times 5^1\times {\mathrm{1122571}}^1$

素因数の和:1122584

約数の個数: 20

約数和(自身を含む): 208798392

約数和(自身を除く): 118992712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1122571, 2245142, 4490284, 5612855, 8980568, 11225710, 17961136, 22451420, 44902840, 89805680]

約数ペア:

[(1, 89805680), (2, 44902840), (4, 22451420), (5, 17961136), (8, 11225710), (10, 8980568), (16, 5612855), (20, 4490284), (40, 2245142), (80, 1122571)]