2019906200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{776887}}^1$

素因数の和:776916

約数の個数: 48

約数和(自身を含む): 5057540880

約数和(自身を除く): 3037634680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 776887, 1553774, 3107548, 3884435, 6215096, 7768870, 10099531, 15537740, 19422175, 20199062, 31075480, 38844350, 40398124, 50497655, 77688700, 80796248, 100995310, 155377400, 201990620, 252488275, 403981240, 504976550, 1009953100, 2019906200]

約数ペア:

[(1, 2019906200), (2, 1009953100), (4, 504976550), (5, 403981240), (8, 252488275), (10, 201990620), (13, 155377400), (20, 100995310), (25, 80796248), (26, 77688700), (40, 50497655), (50, 40398124), (52, 38844350), (65, 31075480), (100, 20199062), (104, 19422175), (130, 15537740), (200, 10099531), (260, 7768870), (325, 6215096), (520, 3884435), (650, 3107548), (1300, 1553774), (2600, 776887)]