39956464

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{40939}}^1$

素因数の和:41008

約数の個数: 20

約数和(自身を含む): 78686680

約数和(自身を除く): 38730216

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 40939, 81878, 163756, 327512, 655024, 2497279, 4994558, 9989116, 19978232, 39956464]

約数ペア:

[(1, 39956464), (2, 19978232), (4, 9989116), (8, 4994558), (16, 2497279), (61, 655024), (122, 327512), (244, 163756), (488, 81878), (976, 40939)]