2019853520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{32411}}^1$

素因数の和:32484

約数の個数: 80

約数和(自身を含む): 5064050880

約数和(自身を除く): 3044197360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1520, 1558, 1640, 3116, 3280, 3895, 6232, 7790, 12464, 15580, 31160, 32411, 62320, 64822, 129644, 162055, 259288, 324110, 518576, 615809, 648220, 1231618, 1296440, 1328851, 2463236, 2592880, 2657702, 3079045, 4926472, 5315404, 6158090, 6644255, 9852944, 10630808, 12316180, 13288510, 21261616, 24632360, 25248169, 26577020, 49264720, 50496338, 53154040, 100992676, 106308080, 126240845, 201985352, 252481690, 403970704, 504963380, 1009926760, 2019853520]

約数ペア:

[(1, 2019853520), (2, 1009926760), (4, 504963380), (5, 403970704), (8, 252481690), (10, 201985352), (16, 126240845), (19, 106308080), (20, 100992676), (38, 53154040), (40, 50496338), (41, 49264720), (76, 26577020), (80, 25248169), (82, 24632360), (95, 21261616), (152, 13288510), (164, 12316180), (190, 10630808), (205, 9852944), (304, 6644255), (328, 6158090), (380, 5315404), (410, 4926472), (656, 3079045), (760, 2657702), (779, 2592880), (820, 2463236), (1520, 1328851), (1558, 1296440), (1640, 1231618), (3116, 648220), (3280, 615809), (3895, 518576), (6232, 324110), (7790, 259288), (12464, 162055), (15580, 129644), (31160, 64822), (32411, 62320)]