105105040

素因数分解:

$2^4\times 5^1\times {\mathrm{1313813}}^1$

素因数の和:1313826

約数の個数: 20

約数和(自身を含む): 244369404

約数和(自身を除く): 139264364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1313813, 2627626, 5255252, 6569065, 10510504, 13138130, 21021008, 26276260, 52552520, 105105040]

約数ペア:

[(1, 105105040), (2, 52552520), (4, 26276260), (5, 21021008), (8, 13138130), (10, 10510504), (16, 6569065), (20, 5255252), (40, 2627626), (80, 1313813)]