28508218540

素因数分解:

$2^2\times 5^1\times {\mathrm{1759}}^1\times {\mathrm{810353}}^1$

素因数の和:812121

約数の個数: 24

約数和(自身を含む): 59901367680

約数和(自身を除く): 31393149140

約数列:

[1, 2, 4, 5, 10, 20, 1759, 3518, 7036, 8795, 17590, 35180, 810353, 1620706, 3241412, 4051765, 8103530, 16207060, 1425410927, 2850821854, 5701643708, 7127054635, 14254109270, 28508218540]

約数ペア:

[(1, 28508218540), (2, 14254109270), (4, 7127054635), (5, 5701643708), (10, 2850821854), (20, 1425410927), (1759, 16207060), (3518, 8103530), (7036, 4051765), (8795, 3241412), (17590, 1620706), (35180, 810353)]