39665740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63977}}^1$

素因数の和:64017

約数の個数: 24

約数和(自身を含む): 85986432

約数和(自身を除く): 46320692

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 63977, 127954, 255908, 319885, 639770, 1279540, 1983287, 3966574, 7933148, 9916435, 19832870, 39665740]

約数ペア:

[(1, 39665740), (2, 19832870), (4, 9916435), (5, 7933148), (10, 3966574), (20, 1983287), (31, 1279540), (62, 639770), (124, 319885), (155, 255908), (310, 127954), (620, 63977)]