20147140325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61991201}}^1$

素因数の和:61991224

約数の個数: 12

約数和(自身を含む): 26904181668

約数和(自身を除く): 6757041343

約数列:

[1, 5, 13, 25, 65, 325, 61991201, 309956005, 805885613, 1549780025, 4029428065, 20147140325]

約数ペア:

[(1, 20147140325), (5, 4029428065), (13, 1549780025), (25, 805885613), (65, 309956005), (325, 61991201)]