77854520

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4259}}^1$

素因数の和:4727

約数の個数: 32

約数和(自身を含む): 175597200

約数和(自身を除く): 97742680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4259, 4570, 8518, 9140, 17036, 18280, 21295, 34072, 42590, 85180, 170360, 1946363, 3892726, 7785452, 9731815, 15570904, 19463630, 38927260, 77854520]

約数ペア:

[(1, 77854520), (2, 38927260), (4, 19463630), (5, 15570904), (8, 9731815), (10, 7785452), (20, 3892726), (40, 1946363), (457, 170360), (914, 85180), (1828, 42590), (2285, 34072), (3656, 21295), (4259, 18280), (4570, 17036), (8518, 9140)]