64484840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{230303}}^1$

素因数の和:230321

約数の個数: 32

約数和(自身を含む): 165818880

約数和(自身を除く): 101334040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 230303, 460606, 921212, 1151515, 1612121, 1842424, 2303030, 3224242, 4606060, 6448484, 8060605, 9212120, 12896968, 16121210, 32242420, 64484840]

約数ペア:

[(1, 64484840), (2, 32242420), (4, 16121210), (5, 12896968), (7, 9212120), (8, 8060605), (10, 6448484), (14, 4606060), (20, 3224242), (28, 2303030), (35, 1842424), (40, 1612121), (56, 1151515), (70, 921212), (140, 460606), (280, 230303)]