25690340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98809}}^1$

素因数の和:98831

約数の個数: 24

約数和(自身を含む): 58100280

約数和(自身を除く): 32409940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98809, 197618, 395236, 494045, 988090, 1284517, 1976180, 2569034, 5138068, 6422585, 12845170, 25690340]

約数ペア:

[(1, 25690340), (2, 12845170), (4, 6422585), (5, 5138068), (10, 2569034), (13, 1976180), (20, 1284517), (26, 988090), (52, 494045), (65, 395236), (130, 197618), (260, 98809)]