20155052500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{732911}}^1$

素因数の和:732946

約数の個数: 60

約数和(自身を含む): 48081958848

約数和(自身を除く): 27926906348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 625, 1100, 1250, 1375, 2500, 2750, 5500, 6875, 13750, 27500, 732911, 1465822, 2931644, 3664555, 7329110, 8062021, 14658220, 16124042, 18322775, 32248084, 36645550, 40310105, 73291100, 80620210, 91613875, 161240420, 183227750, 201550525, 366455500, 403101050, 458069375, 806202100, 916138750, 1007752625, 1832277500, 2015505250, 4031010500, 5038763125, 10077526250, 20155052500]

約数ペア:

[(1, 20155052500), (2, 10077526250), (4, 5038763125), (5, 4031010500), (10, 2015505250), (11, 1832277500), (20, 1007752625), (22, 916138750), (25, 806202100), (44, 458069375), (50, 403101050), (55, 366455500), (100, 201550525), (110, 183227750), (125, 161240420), (220, 91613875), (250, 80620210), (275, 73291100), (500, 40310105), (550, 36645550), (625, 32248084), (1100, 18322775), (1250, 16124042), (1375, 14658220), (2500, 8062021), (2750, 7329110), (5500, 3664555), (6875, 2931644), (13750, 1465822), (27500, 732911)]