39504140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151939}}^1$

素因数の和:151961

約数の個数: 24

約数和(自身を含む): 89340720

約数和(自身を除く): 49836580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 151939, 303878, 607756, 759695, 1519390, 1975207, 3038780, 3950414, 7900828, 9876035, 19752070, 39504140]

約数ペア:

[(1, 39504140), (2, 19752070), (4, 9876035), (5, 7900828), (10, 3950414), (13, 3038780), (20, 1975207), (26, 1519390), (52, 759695), (65, 607756), (130, 303878), (260, 151939)]