39876850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2035

約数の個数: 48

約数和(自身を含む): 82494720

約数和(自身を除く): 42617870

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 1979, 2015, 3958, 4030, 9895, 10075, 19790, 20150, 25727, 49475, 51454, 61349, 98950, 122698, 128635, 257270, 306745, 613490, 643175, 797537, 1286350, 1533725, 1595074, 3067450, 3987685, 7975370, 19938425, 39876850]

約数ペア:

[(1, 39876850), (2, 19938425), (5, 7975370), (10, 3987685), (13, 3067450), (25, 1595074), (26, 1533725), (31, 1286350), (50, 797537), (62, 643175), (65, 613490), (130, 306745), (155, 257270), (310, 128635), (325, 122698), (403, 98950), (650, 61349), (775, 51454), (806, 49475), (1550, 25727), (1979, 20150), (2015, 19790), (3958, 10075), (4030, 9895)]