8381840

素因数分解:

$2^4\times 5^1\times {\mathrm{104773}}^1$

素因数の和:104786

約数の個数: 20

約数和(自身を含む): 19487964

約数和(自身を除く): 11106124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 104773, 209546, 419092, 523865, 838184, 1047730, 1676368, 2095460, 4190920, 8381840]

約数ペア:

[(1, 8381840), (2, 4190920), (4, 2095460), (5, 1676368), (8, 1047730), (10, 838184), (16, 523865), (20, 419092), (40, 209546), (80, 104773)]