53044040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{487}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 137030400

約数和(自身を除く): 83986360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 487, 778, 974, 1556, 1945, 1948, 2435, 2723, 3112, 3409, 3890, 3896, 4870, 5446, 6818, 7780, 9740, 10892, 13615, 13636, 15560, 17045, 19480, 21784, 27230, 27272, 34090, 54460, 68180, 108920, 136360, 189443, 378886, 757772, 947215, 1326101, 1515544, 1894430, 2652202, 3788860, 5304404, 6630505, 7577720, 10608808, 13261010, 26522020, 53044040]

約数ペア:

[(1, 53044040), (2, 26522020), (4, 13261010), (5, 10608808), (7, 7577720), (8, 6630505), (10, 5304404), (14, 3788860), (20, 2652202), (28, 1894430), (35, 1515544), (40, 1326101), (56, 947215), (70, 757772), (140, 378886), (280, 189443), (389, 136360), (487, 108920), (778, 68180), (974, 54460), (1556, 34090), (1945, 27272), (1948, 27230), (2435, 21784), (2723, 19480), (3112, 17045), (3409, 15560), (3890, 13636), (3896, 13615), (4870, 10892), (5446, 9740), (6818, 7780)]