82440680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{294431}}^1$

素因数の和:294449

約数の個数: 32

約数和(自身を含む): 211991040

約数和(自身を除く): 129550360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 294431, 588862, 1177724, 1472155, 2061017, 2355448, 2944310, 4122034, 5888620, 8244068, 10305085, 11777240, 16488136, 20610170, 41220340, 82440680]

約数ペア:

[(1, 82440680), (2, 41220340), (4, 20610170), (5, 16488136), (7, 11777240), (8, 10305085), (10, 8244068), (14, 5888620), (20, 4122034), (28, 2944310), (35, 2355448), (40, 2061017), (56, 1472155), (70, 1177724), (140, 588862), (280, 294431)]