19540960

素因数分解:

$2^5\times 5^1\times {\mathrm{122131}}^1$

素因数の和:122146

約数の個数: 24

約数和(自身を含む): 46165896

約数和(自身を除く): 26624936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 122131, 244262, 488524, 610655, 977048, 1221310, 1954096, 2442620, 3908192, 4885240, 9770480, 19540960]

約数ペア:

[(1, 19540960), (2, 9770480), (4, 4885240), (5, 3908192), (8, 2442620), (10, 1954096), (16, 1221310), (20, 977048), (32, 610655), (40, 488524), (80, 244262), (160, 122131)]