12840100480

素因数分解:

$2^7\times 5^1\times {\mathrm{20062657}}^1$

素因数の和:20062676

約数の個数: 32

約数和(自身を含む): 30695866740

約数和(自身を除く): 17855766260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20062657, 40125314, 80250628, 100313285, 160501256, 200626570, 321002512, 401253140, 642005024, 802506280, 1284010048, 1605012560, 2568020096, 3210025120, 6420050240, 12840100480]

約数ペア:

[(1, 12840100480), (2, 6420050240), (4, 3210025120), (5, 2568020096), (8, 1605012560), (10, 1284010048), (16, 802506280), (20, 642005024), (32, 401253140), (40, 321002512), (64, 200626570), (80, 160501256), (128, 100313285), (160, 80250628), (320, 40125314), (640, 20062657)]