3259280

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:455

約数の個数: 40

約数和(自身を含む): 7660224

約数和(自身を除く): 4400944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 311, 524, 622, 655, 1048, 1244, 1310, 1555, 2096, 2488, 2620, 3110, 4976, 5240, 6220, 10480, 12440, 24880, 40741, 81482, 162964, 203705, 325928, 407410, 651856, 814820, 1629640, 3259280]

約数ペア:

[(1, 3259280), (2, 1629640), (4, 814820), (5, 651856), (8, 407410), (10, 325928), (16, 203705), (20, 162964), (40, 81482), (80, 40741), (131, 24880), (262, 12440), (311, 10480), (524, 6220), (622, 5240), (655, 4976), (1048, 3110), (1244, 2620), (1310, 2488), (1555, 2096)]