39780208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191251}}^1$

素因数の和:191272

約数の個数: 20

約数和(自身を含む): 83003368

約数和(自身を除く): 43223160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 191251, 382502, 765004, 1530008, 2486263, 3060016, 4972526, 9945052, 19890104, 39780208]

約数ペア:

[(1, 39780208), (2, 19890104), (4, 9945052), (8, 4972526), (13, 3060016), (16, 2486263), (26, 1530008), (52, 765004), (104, 382502), (208, 191251)]