12566480

素因数分解:

$2^4\times 5^1\times {\mathrm{157081}}^1$

素因数の和:157094

約数の個数: 20

約数和(自身を含む): 29217252

約数和(自身を除く): 16650772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157081, 314162, 628324, 785405, 1256648, 1570810, 2513296, 3141620, 6283240, 12566480]

約数ペア:

[(1, 12566480), (2, 6283240), (4, 3141620), (5, 2513296), (8, 1570810), (10, 1256648), (16, 785405), (20, 628324), (40, 314162), (80, 157081)]