1520292040

素因数分解:

$2^3\times 5^1\times {\mathrm{1493}}^1\times {\mathrm{25457}}^1$

素因数の和:26961

約数の個数: 32

約数和(自身を含む): 3423082680

約数和(自身を除く): 1902790640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1493, 2986, 5972, 7465, 11944, 14930, 25457, 29860, 50914, 59720, 101828, 127285, 203656, 254570, 509140, 1018280, 38007301, 76014602, 152029204, 190036505, 304058408, 380073010, 760146020, 1520292040]

約数ペア:

[(1, 1520292040), (2, 760146020), (4, 380073010), (5, 304058408), (8, 190036505), (10, 152029204), (20, 76014602), (40, 38007301), (1493, 1018280), (2986, 509140), (5972, 254570), (7465, 203656), (11944, 127285), (14930, 101828), (25457, 59720), (29860, 50914)]