16941320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 42033600

約数和(自身を除く): 25092280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 277, 278, 440, 554, 556, 695, 1108, 1112, 1385, 1390, 1529, 2216, 2770, 2780, 3047, 3058, 5540, 5560, 6094, 6116, 7645, 11080, 12188, 12232, 15235, 15290, 24376, 30470, 30580, 38503, 60940, 61160, 77006, 121880, 154012, 192515, 308024, 385030, 423533, 770060, 847066, 1540120, 1694132, 2117665, 3388264, 4235330, 8470660, 16941320]

約数ペア:

[(1, 16941320), (2, 8470660), (4, 4235330), (5, 3388264), (8, 2117665), (10, 1694132), (11, 1540120), (20, 847066), (22, 770060), (40, 423533), (44, 385030), (55, 308024), (88, 192515), (110, 154012), (139, 121880), (220, 77006), (277, 61160), (278, 60940), (440, 38503), (554, 30580), (556, 30470), (695, 24376), (1108, 15290), (1112, 15235), (1385, 12232), (1390, 12188), (1529, 11080), (2216, 7645), (2770, 6116), (2780, 6094), (3047, 5560), (3058, 5540)]