64692640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9403}}^1$

素因数の和:9461

約数の個数: 48

約数和(自身を含む): 156407328

約数和(自身を除く): 91714688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 9403, 18806, 37612, 47015, 75224, 94030, 150448, 188060, 300896, 376120, 404329, 752240, 808658, 1504480, 1617316, 2021645, 3234632, 4043290, 6469264, 8086580, 12938528, 16173160, 32346320, 64692640]

約数ペア:

[(1, 64692640), (2, 32346320), (4, 16173160), (5, 12938528), (8, 8086580), (10, 6469264), (16, 4043290), (20, 3234632), (32, 2021645), (40, 1617316), (43, 1504480), (80, 808658), (86, 752240), (160, 404329), (172, 376120), (215, 300896), (344, 188060), (430, 150448), (688, 94030), (860, 75224), (1376, 47015), (1720, 37612), (3440, 18806), (6880, 9403)]