1400000090

素因数分解:

$2^1\times 5^1\times {\mathrm{16943}}^1\times {\mathrm{8263}}^1$

素因数の和:25213

約数の個数: 16

約数和(自身を含む): 2520453888

約数和(自身を除く): 1120453798

約数列:

[1, 2, 5, 10, 8263, 16526, 16943, 33886, 41315, 82630, 84715, 169430, 140000009, 280000018, 700000045, 1400000090]

約数ペア:

[(1, 1400000090), (2, 700000045), (5, 280000018), (10, 140000009), (8263, 169430), (16526, 84715), (16943, 82630), (33886, 41315)]