2784520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1039}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 6364800

約数和(自身を除く): 3580280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1039, 1340, 2078, 2680, 4156, 5195, 8312, 10390, 20780, 41560, 69613, 139226, 278452, 348065, 556904, 696130, 1392260, 2784520]

約数ペア:

[(1, 2784520), (2, 1392260), (4, 696130), (5, 556904), (8, 348065), (10, 278452), (20, 139226), (40, 69613), (67, 41560), (134, 20780), (268, 10390), (335, 8312), (536, 5195), (670, 4156), (1039, 2680), (1340, 2078)]