2019968360

素因数分解:

$2^3\times 5^1\times {\mathrm{50499209}}^1$

素因数の和:50499220

約数の個数: 16

約数和(自身を含む): 4544928900

約数和(自身を除く): 2524960540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50499209, 100998418, 201996836, 252496045, 403993672, 504992090, 1009984180, 2019968360]

約数ペア:

[(1, 2019968360), (2, 1009984180), (4, 504992090), (5, 403993672), (8, 252496045), (10, 201996836), (20, 100998418), (40, 50499209)]