2021547560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2659931}}^1$

素因数の和:2659961

約数の個数: 32

約数和(自身を含む): 4787877600

約数和(自身を除く): 2766330040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2659931, 5319862, 10639724, 13299655, 21279448, 26599310, 50538689, 53198620, 101077378, 106397240, 202154756, 252693445, 404309512, 505386890, 1010773780, 2021547560]

約数ペア:

[(1, 2021547560), (2, 1010773780), (4, 505386890), (5, 404309512), (8, 252693445), (10, 202154756), (19, 106397240), (20, 101077378), (38, 53198620), (40, 50538689), (76, 26599310), (95, 21279448), (152, 13299655), (190, 10639724), (380, 5319862), (760, 2659931)]