89992040

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{11657}}^1$

素因数の和:11861

約数の個数: 32

約数和(自身を含む): 203548680

約数和(自身を除く): 113556640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 11657, 23314, 46628, 58285, 93256, 116570, 233140, 466280, 2249801, 4499602, 8999204, 11249005, 17998408, 22498010, 44996020, 89992040]

約数ペア:

[(1, 89992040), (2, 44996020), (4, 22498010), (5, 17998408), (8, 11249005), (10, 8999204), (20, 4499602), (40, 2249801), (193, 466280), (386, 233140), (772, 116570), (965, 93256), (1544, 58285), (1930, 46628), (3860, 23314), (7720, 11657)]