20189045500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3106007}}^1$

素因数の和:3106039

約数の個数: 48

約数和(自身を含む): 47484650304

約数和(自身を除く): 27295604804

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 3106007, 6212014, 12424028, 15530035, 31060070, 40378091, 62120140, 77650175, 80756182, 155300350, 161512364, 201890455, 310600700, 388250875, 403780910, 776501750, 807561820, 1009452275, 1553003500, 2018904550, 4037809100, 5047261375, 10094522750, 20189045500]

約数ペア:

[(1, 20189045500), (2, 10094522750), (4, 5047261375), (5, 4037809100), (10, 2018904550), (13, 1553003500), (20, 1009452275), (25, 807561820), (26, 776501750), (50, 403780910), (52, 388250875), (65, 310600700), (100, 201890455), (125, 161512364), (130, 155300350), (250, 80756182), (260, 77650175), (325, 62120140), (500, 40378091), (650, 31060070), (1300, 15530035), (1625, 12424028), (3250, 6212014), (6500, 3106007)]