25420070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{195539}}^1$

素因数の和:195559

約数の個数: 16

約数和(自身を含む): 49276080

約数和(自身を除く): 23856010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 195539, 391078, 977695, 1955390, 2542007, 5084014, 12710035, 25420070]

約数ペア:

[(1, 25420070), (2, 12710035), (5, 5084014), (10, 2542007), (13, 1955390), (26, 977695), (65, 391078), (130, 195539)]