205328560

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{35159}}^1$

素因数の和:35245

約数の個数: 40

約数和(自身を含む): 483942240

約数和(自身を除く): 278613680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 35159, 70318, 140636, 175795, 281272, 351590, 562544, 703180, 1406360, 2566607, 2812720, 5133214, 10266428, 12833035, 20532856, 25666070, 41065712, 51332140, 102664280, 205328560]

約数ペア:

[(1, 205328560), (2, 102664280), (4, 51332140), (5, 41065712), (8, 25666070), (10, 20532856), (16, 12833035), (20, 10266428), (40, 5133214), (73, 2812720), (80, 2566607), (146, 1406360), (292, 703180), (365, 562544), (584, 351590), (730, 281272), (1168, 175795), (1460, 140636), (2920, 70318), (5840, 35159)]