168695440

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18661}}^1$

素因数の和:18787

約数の個数: 40

約数和(自身を含む): 395709048

約数和(自身を除く): 227013608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 18661, 37322, 74644, 93305, 149288, 186610, 298576, 373220, 746440, 1492880, 2108693, 4217386, 8434772, 10543465, 16869544, 21086930, 33739088, 42173860, 84347720, 168695440]

約数ペア:

[(1, 168695440), (2, 84347720), (4, 42173860), (5, 33739088), (8, 21086930), (10, 16869544), (16, 10543465), (20, 8434772), (40, 4217386), (80, 2108693), (113, 1492880), (226, 746440), (452, 373220), (565, 298576), (904, 186610), (1130, 149288), (1808, 93305), (2260, 74644), (4520, 37322), (9040, 18661)]