123556480

素因数分解:

$2^7\times 5^1\times {\mathrm{193057}}^1$

素因数の和:193076

約数の個数: 32

約数和(自身を含む): 295378740

約数和(自身を除く): 171822260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 193057, 386114, 772228, 965285, 1544456, 1930570, 3088912, 3861140, 6177824, 7722280, 12355648, 15444560, 24711296, 30889120, 61778240, 123556480]

約数ペア:

[(1, 123556480), (2, 61778240), (4, 30889120), (5, 24711296), (8, 15444560), (10, 12355648), (16, 7722280), (20, 6177824), (32, 3861140), (40, 3088912), (64, 1930570), (80, 1544456), (128, 965285), (160, 772228), (320, 386114), (640, 193057)]