25334540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16451}}^1$

素因数の和:16478

約数の個数: 48

約数和(自身を含む): 66334464

約数和(自身を除く): 40999924

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 16451, 32902, 65804, 82255, 115157, 164510, 180961, 230314, 329020, 361922, 460628, 575785, 723844, 904805, 1151570, 1266727, 1809610, 2303140, 2533454, 3619220, 5066908, 6333635, 12667270, 25334540]

約数ペア:

[(1, 25334540), (2, 12667270), (4, 6333635), (5, 5066908), (7, 3619220), (10, 2533454), (11, 2303140), (14, 1809610), (20, 1266727), (22, 1151570), (28, 904805), (35, 723844), (44, 575785), (55, 460628), (70, 361922), (77, 329020), (110, 230314), (140, 180961), (154, 164510), (220, 115157), (308, 82255), (385, 65804), (770, 32902), (1540, 16451)]