205658080

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4133}}^1$

素因数の和:4459

約数の個数: 48

約数和(自身を含む): 487547424

約数和(自身を除く): 281889344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1244, 1555, 2488, 3110, 4133, 4976, 6220, 8266, 9952, 12440, 16532, 20665, 24880, 33064, 41330, 49760, 66128, 82660, 132256, 165320, 330640, 661280, 1285363, 2570726, 5141452, 6426815, 10282904, 12853630, 20565808, 25707260, 41131616, 51414520, 102829040, 205658080]

約数ペア:

[(1, 205658080), (2, 102829040), (4, 51414520), (5, 41131616), (8, 25707260), (10, 20565808), (16, 12853630), (20, 10282904), (32, 6426815), (40, 5141452), (80, 2570726), (160, 1285363), (311, 661280), (622, 330640), (1244, 165320), (1555, 132256), (2488, 82660), (3110, 66128), (4133, 49760), (4976, 41330), (6220, 33064), (8266, 24880), (9952, 20665), (12440, 16532)]