80498480

素因数分解:

$2^4\times 5^1\times {\mathrm{1006231}}^1$

素因数の和:1006244

約数の個数: 20

約数和(自身を含む): 187159152

約数和(自身を除く): 106660672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1006231, 2012462, 4024924, 5031155, 8049848, 10062310, 16099696, 20124620, 40249240, 80498480]

約数ペア:

[(1, 80498480), (2, 40249240), (4, 20124620), (5, 16099696), (8, 10062310), (10, 8049848), (16, 5031155), (20, 4024924), (40, 2012462), (80, 1006231)]