16165880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13037}}^1$

素因数の和:13079

約数の個数: 32

約数和(自身を含む): 37549440

約数和(自身を除く): 21383560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13037, 26074, 52148, 65185, 104296, 130370, 260740, 404147, 521480, 808294, 1616588, 2020735, 3233176, 4041470, 8082940, 16165880]

約数ペア:

[(1, 16165880), (2, 8082940), (4, 4041470), (5, 3233176), (8, 2020735), (10, 1616588), (20, 808294), (31, 521480), (40, 404147), (62, 260740), (124, 130370), (155, 104296), (248, 65185), (310, 52148), (620, 26074), (1240, 13037)]