40706416

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{19421}}^1$

素因数の和:19560

約数の個数: 20

約数和(自身を含む): 79474824

約数和(自身を除く): 38768408

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 19421, 38842, 77684, 155368, 310736, 2544151, 5088302, 10176604, 20353208, 40706416]

約数ペア:

[(1, 40706416), (2, 20353208), (4, 10176604), (8, 5088302), (16, 2544151), (131, 310736), (262, 155368), (524, 77684), (1048, 38842), (2096, 19421)]