84354140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{324439}}^1$

素因数の和:324461

約数の個数: 24

約数和(自身を含む): 190770720

約数和(自身を除く): 106416580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 324439, 648878, 1297756, 1622195, 3244390, 4217707, 6488780, 8435414, 16870828, 21088535, 42177070, 84354140]

約数ペア:

[(1, 84354140), (2, 42177070), (4, 21088535), (5, 16870828), (10, 8435414), (13, 6488780), (20, 4217707), (26, 3244390), (52, 1622195), (65, 1297756), (130, 648878), (260, 324439)]