15405680

素因数分解:

$2^4\times 5^1\times {\mathrm{192571}}^1$

素因数の和:192584

約数の個数: 20

約数和(自身を含む): 35818392

約数和(自身を除く): 20412712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 192571, 385142, 770284, 962855, 1540568, 1925710, 3081136, 3851420, 7702840, 15405680]

約数ペア:

[(1, 15405680), (2, 7702840), (4, 3851420), (5, 3081136), (8, 1925710), (10, 1540568), (16, 962855), (20, 770284), (40, 385142), (80, 192571)]