6781520

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{823}}^1$

素因数の和:939

約数の個数: 40

約数和(自身を含む): 15939456

約数和(自身を除く): 9157936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 823, 824, 1030, 1646, 1648, 2060, 3292, 4115, 4120, 6584, 8230, 8240, 13168, 16460, 32920, 65840, 84769, 169538, 339076, 423845, 678152, 847690, 1356304, 1695380, 3390760, 6781520]

約数ペア:

[(1, 6781520), (2, 3390760), (4, 1695380), (5, 1356304), (8, 847690), (10, 678152), (16, 423845), (20, 339076), (40, 169538), (80, 84769), (103, 65840), (206, 32920), (412, 16460), (515, 13168), (823, 8240), (824, 8230), (1030, 6584), (1646, 4120), (1648, 4115), (2060, 3292)]