39409880

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8719}}^1$

素因数の和:8843

約数の個数: 32

約数和(自身を含む): 89467200

約数和(自身を除く): 50057320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 8719, 17438, 34876, 43595, 69752, 87190, 174380, 348760, 985247, 1970494, 3940988, 4926235, 7881976, 9852470, 19704940, 39409880]

約数ペア:

[(1, 39409880), (2, 19704940), (4, 9852470), (5, 7881976), (8, 4926235), (10, 3940988), (20, 1970494), (40, 985247), (113, 348760), (226, 174380), (452, 87190), (565, 69752), (904, 43595), (1130, 34876), (2260, 17438), (4520, 8719)]