20145349600

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{198281}}^1$

素因数の和:198428

約数の個数: 72

約数和(自身を含む): 49567327488

約数和(自身を除く): 29421977888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 400, 508, 635, 800, 1016, 1270, 2032, 2540, 3175, 4064, 5080, 6350, 10160, 12700, 20320, 25400, 50800, 101600, 198281, 396562, 793124, 991405, 1586248, 1982810, 3172496, 3965620, 4957025, 6344992, 7931240, 9914050, 15862480, 19828100, 25181687, 31724960, 39656200, 50363374, 79312400, 100726748, 125908435, 158624800, 201453496, 251816870, 402906992, 503633740, 629542175, 805813984, 1007267480, 1259084350, 2014534960, 2518168700, 4029069920, 5036337400, 10072674800, 20145349600]

約数ペア:

[(1, 20145349600), (2, 10072674800), (4, 5036337400), (5, 4029069920), (8, 2518168700), (10, 2014534960), (16, 1259084350), (20, 1007267480), (25, 805813984), (32, 629542175), (40, 503633740), (50, 402906992), (80, 251816870), (100, 201453496), (127, 158624800), (160, 125908435), (200, 100726748), (254, 79312400), (400, 50363374), (508, 39656200), (635, 31724960), (800, 25181687), (1016, 19828100), (1270, 15862480), (2032, 9914050), (2540, 7931240), (3175, 6344992), (4064, 4957025), (5080, 3965620), (6350, 3172496), (10160, 1982810), (12700, 1586248), (20320, 991405), (25400, 793124), (50800, 396562), (101600, 198281)]