26212720

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2087}}^1$

素因数の和:2257

約数の個数: 40

約数和(自身を含む): 61362144

約数和(自身を除く): 35149424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2087, 2512, 3140, 4174, 6280, 8348, 10435, 12560, 16696, 20870, 33392, 41740, 83480, 166960, 327659, 655318, 1310636, 1638295, 2621272, 3276590, 5242544, 6553180, 13106360, 26212720]

約数ペア:

[(1, 26212720), (2, 13106360), (4, 6553180), (5, 5242544), (8, 3276590), (10, 2621272), (16, 1638295), (20, 1310636), (40, 655318), (80, 327659), (157, 166960), (314, 83480), (628, 41740), (785, 33392), (1256, 20870), (1570, 16696), (2087, 12560), (2512, 10435), (3140, 8348), (4174, 6280)]