84744140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{325939}}^1$

素因数の和:325961

約数の個数: 24

約数和(自身を含む): 191652720

約数和(自身を除く): 106908580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 325939, 651878, 1303756, 1629695, 3259390, 4237207, 6518780, 8474414, 16948828, 21186035, 42372070, 84744140]

約数ペア:

[(1, 84744140), (2, 42372070), (4, 21186035), (5, 16948828), (10, 8474414), (13, 6518780), (20, 4237207), (26, 3259390), (52, 1629695), (65, 1303756), (130, 651878), (260, 325939)]