80496520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{547}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 196096320

約数和(自身を除く): 115599800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 283, 520, 547, 566, 1094, 1132, 1415, 2188, 2264, 2735, 2830, 3679, 4376, 5470, 5660, 7111, 7358, 10940, 11320, 14222, 14716, 18395, 21880, 28444, 29432, 35555, 36790, 56888, 71110, 73580, 142220, 147160, 154801, 284440, 309602, 619204, 774005, 1238408, 1548010, 2012413, 3096020, 4024826, 6192040, 8049652, 10062065, 16099304, 20124130, 40248260, 80496520]

約数ペア:

[(1, 80496520), (2, 40248260), (4, 20124130), (5, 16099304), (8, 10062065), (10, 8049652), (13, 6192040), (20, 4024826), (26, 3096020), (40, 2012413), (52, 1548010), (65, 1238408), (104, 774005), (130, 619204), (260, 309602), (283, 284440), (520, 154801), (547, 147160), (566, 142220), (1094, 73580), (1132, 71110), (1415, 56888), (2188, 36790), (2264, 35555), (2735, 29432), (2830, 28444), (3679, 21880), (4376, 18395), (5470, 14716), (5660, 14222), (7111, 11320), (7358, 10940)]