12127280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13781}}^1$

素因数の和:13805

約数の個数: 40

約数和(自身を含む): 30761424

約数和(自身を除く): 18634144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 13781, 27562, 55124, 68905, 110248, 137810, 151591, 220496, 275620, 303182, 551240, 606364, 757955, 1102480, 1212728, 1515910, 2425456, 3031820, 6063640, 12127280]

約数ペア:

[(1, 12127280), (2, 6063640), (4, 3031820), (5, 2425456), (8, 1515910), (10, 1212728), (11, 1102480), (16, 757955), (20, 606364), (22, 551240), (40, 303182), (44, 275620), (55, 220496), (80, 151591), (88, 137810), (110, 110248), (176, 68905), (220, 55124), (440, 27562), (880, 13781)]