2017280840

素因数分解:

$2^3\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{48539}}^1$

素因数の和:49589

約数の個数: 32

約数和(自身を含む): 4543344000

約数和(自身を除く): 2526063160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1039, 2078, 4156, 5195, 8312, 10390, 20780, 41560, 48539, 97078, 194156, 242695, 388312, 485390, 970780, 1941560, 50432021, 100864042, 201728084, 252160105, 403456168, 504320210, 1008640420, 2017280840]

約数ペア:

[(1, 2017280840), (2, 1008640420), (4, 504320210), (5, 403456168), (8, 252160105), (10, 201728084), (20, 100864042), (40, 50432021), (1039, 1941560), (2078, 970780), (4156, 485390), (5195, 388312), (8312, 242695), (10390, 194156), (20780, 97078), (41560, 48539)]