22216880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 59787840

約数和(自身を除く): 37570960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 409, 485, 560, 679, 776, 818, 970, 1358, 1552, 1636, 1940, 2045, 2716, 2863, 3272, 3395, 3880, 4090, 5432, 5726, 6544, 6790, 7760, 8180, 10864, 11452, 13580, 14315, 16360, 22904, 27160, 28630, 32720, 39673, 45808, 54320, 57260, 79346, 114520, 158692, 198365, 229040, 277711, 317384, 396730, 555422, 634768, 793460, 1110844, 1388555, 1586920, 2221688, 2777110, 3173840, 4443376, 5554220, 11108440, 22216880]

約数ペア:

[(1, 22216880), (2, 11108440), (4, 5554220), (5, 4443376), (7, 3173840), (8, 2777110), (10, 2221688), (14, 1586920), (16, 1388555), (20, 1110844), (28, 793460), (35, 634768), (40, 555422), (56, 396730), (70, 317384), (80, 277711), (97, 229040), (112, 198365), (140, 158692), (194, 114520), (280, 79346), (388, 57260), (409, 54320), (485, 45808), (560, 39673), (679, 32720), (776, 28630), (818, 27160), (970, 22904), (1358, 16360), (1552, 14315), (1636, 13580), (1940, 11452), (2045, 10864), (2716, 8180), (2863, 7760), (3272, 6790), (3395, 6544), (3880, 5726), (4090, 5432)]