20181364240

素因数分解:

$2^4\times 5^1\times {\mathrm{599}}^1\times {\mathrm{421147}}^1$

素因数の和:421759

約数の個数: 40

約数和(自身を含む): 47000116800

約数和(自身を除く): 26818752560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 599, 1198, 2396, 2995, 4792, 5990, 9584, 11980, 23960, 47920, 421147, 842294, 1684588, 2105735, 3369176, 4211470, 6738352, 8422940, 16845880, 33691760, 252267053, 504534106, 1009068212, 1261335265, 2018136424, 2522670530, 4036272848, 5045341060, 10090682120, 20181364240]

約数ペア:

[(1, 20181364240), (2, 10090682120), (4, 5045341060), (5, 4036272848), (8, 2522670530), (10, 2018136424), (16, 1261335265), (20, 1009068212), (40, 504534106), (80, 252267053), (599, 33691760), (1198, 16845880), (2396, 8422940), (2995, 6738352), (4792, 4211470), (5990, 3369176), (9584, 2105735), (11980, 1684588), (23960, 842294), (47920, 421147)]