40778888

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{164431}}^1$

素因数の和:164468

約数の個数: 16

約数和(自身を含む): 78927360

約数和(自身を除く): 38148472

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 164431, 328862, 657724, 1315448, 5097361, 10194722, 20389444, 40778888]

約数ペア:

[(1, 40778888), (2, 20389444), (4, 10194722), (8, 5097361), (31, 1315448), (62, 657724), (124, 328862), (248, 164431)]