209245280

素因数分解:

$2^5\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1291}}^1$

素因数の和:2319

約数の個数: 48

約数和(自身を含む): 495213264

約数和(自身を除く): 285967984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1013, 1291, 2026, 2582, 4052, 5065, 5164, 6455, 8104, 10130, 10328, 12910, 16208, 20260, 20656, 25820, 32416, 40520, 41312, 51640, 81040, 103280, 162080, 206560, 1307783, 2615566, 5231132, 6538915, 10462264, 13077830, 20924528, 26155660, 41849056, 52311320, 104622640, 209245280]

約数ペア:

[(1, 209245280), (2, 104622640), (4, 52311320), (5, 41849056), (8, 26155660), (10, 20924528), (16, 13077830), (20, 10462264), (32, 6538915), (40, 5231132), (80, 2615566), (160, 1307783), (1013, 206560), (1291, 162080), (2026, 103280), (2582, 81040), (4052, 51640), (5065, 41312), (5164, 40520), (6455, 32416), (8104, 25820), (10130, 20656), (10328, 20260), (12910, 16208)]