4480

素因数分解:

$2^7\times 5^1\times 7^1$

素因数の和:26

約数の個数: 32

約数和(自身を含む): 12240

約数和(自身を除く): 7760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480]

約数ペア:

[(1, 4480), (2, 2240), (4, 1120), (5, 896), (7, 640), (8, 560), (10, 448), (14, 320), (16, 280), (20, 224), (28, 160), (32, 140), (35, 128), (40, 112), (56, 80), (64, 70)]