16001920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2273}}^1$

素因数の和:2303

約数の個数: 64

約数和(自身を含む): 41750640

約数和(自身を除く): 25748720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2273, 3520, 4546, 7040, 9092, 11365, 18184, 22730, 25003, 36368, 45460, 50006, 72736, 90920, 100012, 125015, 145472, 181840, 200024, 250030, 290944, 363680, 400048, 500060, 727360, 800096, 1000120, 1454720, 1600192, 2000240, 3200384, 4000480, 8000960, 16001920]

約数ペア:

[(1, 16001920), (2, 8000960), (4, 4000480), (5, 3200384), (8, 2000240), (10, 1600192), (11, 1454720), (16, 1000120), (20, 800096), (22, 727360), (32, 500060), (40, 400048), (44, 363680), (55, 290944), (64, 250030), (80, 200024), (88, 181840), (110, 145472), (128, 125015), (160, 100012), (176, 90920), (220, 72736), (320, 50006), (352, 45460), (440, 36368), (640, 25003), (704, 22730), (880, 18184), (1408, 11365), (1760, 9092), (2273, 7040), (3520, 4546)]