28748240

素因数分解:

$2^4\times 5^1\times {\mathrm{359353}}^1$

素因数の和:359366

約数の個数: 20

約数和(自身を含む): 66839844

約数和(自身を除く): 38091604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359353, 718706, 1437412, 1796765, 2874824, 3593530, 5749648, 7187060, 14374120, 28748240]

約数ペア:

[(1, 28748240), (2, 14374120), (4, 7187060), (5, 5749648), (8, 3593530), (10, 2874824), (16, 1796765), (20, 1437412), (40, 718706), (80, 359353)]