7271440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8263}}^1$

素因数の和:8287

約数の個数: 40

約数和(自身を含む): 18445248

約数和(自身を除く): 11173808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 8263, 16526, 33052, 41315, 66104, 82630, 90893, 132208, 165260, 181786, 330520, 363572, 454465, 661040, 727144, 908930, 1454288, 1817860, 3635720, 7271440]

約数ペア:

[(1, 7271440), (2, 3635720), (4, 1817860), (5, 1454288), (8, 908930), (10, 727144), (11, 661040), (16, 454465), (20, 363572), (22, 330520), (40, 181786), (44, 165260), (55, 132208), (80, 90893), (88, 82630), (110, 66104), (176, 41315), (220, 33052), (440, 16526), (880, 8263)]