40315216

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{13921}}^1$

素因数の和:14110

約数の個数: 20

約数和(自身を含む): 78547924

約数和(自身を除く): 38232708

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 13921, 27842, 55684, 111368, 222736, 2519701, 5039402, 10078804, 20157608, 40315216]

約数ペア:

[(1, 40315216), (2, 20157608), (4, 10078804), (8, 5039402), (16, 2519701), (181, 222736), (362, 111368), (724, 55684), (1448, 27842), (2896, 13921)]