138974680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{267259}}^1$

素因数の和:267283

約数の個数: 32

約数和(自身を含む): 336747600

約数和(自身を除く): 197772920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 267259, 534518, 1069036, 1336295, 2138072, 2672590, 3474367, 5345180, 6948734, 10690360, 13897468, 17371835, 27794936, 34743670, 69487340, 138974680]

約数ペア:

[(1, 138974680), (2, 69487340), (4, 34743670), (5, 27794936), (8, 17371835), (10, 13897468), (13, 10690360), (20, 6948734), (26, 5345180), (40, 3474367), (52, 2672590), (65, 2138072), (104, 1336295), (130, 1069036), (260, 534518), (520, 267259)]