201056005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{1259}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 260517600

約数和(自身を除く): 59461595

約数列:

[1, 5, 19, 41, 95, 205, 779, 1259, 1681, 3895, 6295, 8405, 23921, 31939, 51619, 119605, 159695, 258095, 980761, 2116379, 4903805, 10581895, 40211201, 201056005]

約数ペア:

[(1, 201056005), (5, 40211201), (19, 10581895), (41, 4903805), (95, 2116379), (205, 980761), (779, 258095), (1259, 159695), (1681, 119605), (3895, 51619), (6295, 31939), (8405, 23921)]