12658480

素因数分解:

$2^4\times 5^1\times {\mathrm{158231}}^1$

素因数の和:158244

約数の個数: 20

約数和(自身を含む): 29431152

約数和(自身を除く): 16772672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158231, 316462, 632924, 791155, 1265848, 1582310, 2531696, 3164620, 6329240, 12658480]

約数ペア:

[(1, 12658480), (2, 6329240), (4, 3164620), (5, 2531696), (8, 1582310), (10, 1265848), (16, 791155), (20, 632924), (40, 316462), (80, 158231)]