8900480

素因数分解:

$2^7\times 5^1\times {\mathrm{13907}}^1$

素因数の和:13926

約数の個数: 32

約数和(自身を含む): 21279240

約数和(自身を除く): 12378760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13907, 27814, 55628, 69535, 111256, 139070, 222512, 278140, 445024, 556280, 890048, 1112560, 1780096, 2225120, 4450240, 8900480]

約数ペア:

[(1, 8900480), (2, 4450240), (4, 2225120), (5, 1780096), (8, 1112560), (10, 890048), (16, 556280), (20, 445024), (32, 278140), (40, 222512), (64, 139070), (80, 111256), (128, 69535), (160, 55628), (320, 27814), (640, 13907)]