40628048

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61933}}^1$

素因数の和:61982

約数の個数: 20

約数和(自身を含む): 80638068

約数和(自身を除く): 40010020

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 61933, 123866, 247732, 495464, 990928, 2539253, 5078506, 10157012, 20314024, 40628048]

約数ペア:

[(1, 40628048), (2, 20314024), (4, 10157012), (8, 5078506), (16, 2539253), (41, 990928), (82, 495464), (164, 247732), (328, 123866), (656, 61933)]