40479728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{133157}}^1$

素因数の和:133184

約数の個数: 20

約数和(自身を含む): 82557960

約数和(自身を除く): 42078232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 133157, 266314, 532628, 1065256, 2130512, 2529983, 5059966, 10119932, 20239864, 40479728]

約数ペア:

[(1, 40479728), (2, 20239864), (4, 10119932), (8, 5059966), (16, 2529983), (19, 2130512), (38, 1065256), (76, 532628), (152, 266314), (304, 133157)]