2019925760

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11353}}^1$

素因数の和:11513

約数の個数: 72

約数和(自身を含む): 4873590960

約数和(自身を除く): 2853665200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 556, 640, 695, 1112, 1280, 1390, 2224, 2780, 4448, 5560, 8896, 11120, 11353, 17792, 22240, 22706, 35584, 44480, 45412, 56765, 88960, 90824, 113530, 177920, 181648, 227060, 363296, 454120, 726592, 908240, 1453184, 1578067, 1816480, 2906368, 3156134, 3632960, 6312268, 7265920, 7890335, 12624536, 14531840, 15780670, 25249072, 31561340, 50498144, 63122680, 100996288, 126245360, 201992576, 252490720, 403985152, 504981440, 1009962880, 2019925760]

約数ペア:

[(1, 2019925760), (2, 1009962880), (4, 504981440), (5, 403985152), (8, 252490720), (10, 201992576), (16, 126245360), (20, 100996288), (32, 63122680), (40, 50498144), (64, 31561340), (80, 25249072), (128, 15780670), (139, 14531840), (160, 12624536), (256, 7890335), (278, 7265920), (320, 6312268), (556, 3632960), (640, 3156134), (695, 2906368), (1112, 1816480), (1280, 1578067), (1390, 1453184), (2224, 908240), (2780, 726592), (4448, 454120), (5560, 363296), (8896, 227060), (11120, 181648), (11353, 177920), (17792, 113530), (22240, 90824), (22706, 88960), (35584, 56765), (44480, 45412)]