28644020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1753}}^1$

素因数の和:1824

約数の個数: 48

約数和(自身を含む): 64827840

約数和(自身を除く): 36183820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 1753, 3268, 3506, 4085, 7012, 8170, 8765, 16340, 17530, 33307, 35060, 66614, 75379, 133228, 150758, 166535, 301516, 333070, 376895, 666140, 753790, 1432201, 1507580, 2864402, 5728804, 7161005, 14322010, 28644020]

約数ペア:

[(1, 28644020), (2, 14322010), (4, 7161005), (5, 5728804), (10, 2864402), (19, 1507580), (20, 1432201), (38, 753790), (43, 666140), (76, 376895), (86, 333070), (95, 301516), (172, 166535), (190, 150758), (215, 133228), (380, 75379), (430, 66614), (817, 35060), (860, 33307), (1634, 17530), (1753, 16340), (3268, 8765), (3506, 8170), (4085, 7012)]