2113641520

素因数分解:

$2^4\times 5^1\times {\mathrm{26420519}}^1$

素因数の和:26420532

約数の個数: 20

約数和(自身を含む): 4914216720

約数和(自身を除く): 2800575200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26420519, 52841038, 105682076, 132102595, 211364152, 264205190, 422728304, 528410380, 1056820760, 2113641520]

約数ペア:

[(1, 2113641520), (2, 1056820760), (4, 528410380), (5, 422728304), (8, 264205190), (10, 211364152), (16, 132102595), (20, 105682076), (40, 52841038), (80, 26420519)]