8851280

素因数分解:

$2^4\times 5^1\times {\mathrm{110641}}^1$

素因数の和:110654

約数の個数: 20

約数和(自身を含む): 20579412

約数和(自身を除く): 11728132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 110641, 221282, 442564, 553205, 885128, 1106410, 1770256, 2212820, 4425640, 8851280]

約数ペア:

[(1, 8851280), (2, 4425640), (4, 2212820), (5, 1770256), (8, 1106410), (10, 885128), (16, 553205), (20, 442564), (40, 221282), (80, 110641)]