2018696089360

素因数分解:

$2^4\times 5^1\times {\mathrm{86423}}^1\times {\mathrm{291979}}^1$

素因数の和:378415

約数の個数: 40

約数和(自身を含む): 4693538790720

約数和(自身を除く): 2674842701360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 86423, 172846, 291979, 345692, 432115, 583958, 691384, 864230, 1167916, 1382768, 1459895, 1728460, 2335832, 2919790, 3456920, 4671664, 5839580, 6913840, 11679160, 23358320, 25233701117, 50467402234, 100934804468, 126168505585, 201869608936, 252337011170, 403739217872, 504674022340, 1009348044680, 2018696089360]

約数ペア:

[(1, 2018696089360), (2, 1009348044680), (4, 504674022340), (5, 403739217872), (8, 252337011170), (10, 201869608936), (16, 126168505585), (20, 100934804468), (40, 50467402234), (80, 25233701117), (86423, 23358320), (172846, 11679160), (291979, 6913840), (345692, 5839580), (432115, 4671664), (583958, 3456920), (691384, 2919790), (864230, 2335832), (1167916, 1728460), (1382768, 1459895)]