5271440

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 12374208

約数和(自身を除く): 7102768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 503, 524, 655, 1006, 1048, 1310, 2012, 2096, 2515, 2620, 4024, 5030, 5240, 8048, 10060, 10480, 20120, 40240, 65893, 131786, 263572, 329465, 527144, 658930, 1054288, 1317860, 2635720, 5271440]

約数ペア:

[(1, 5271440), (2, 2635720), (4, 1317860), (5, 1054288), (8, 658930), (10, 527144), (16, 329465), (20, 263572), (40, 131786), (80, 65893), (131, 40240), (262, 20120), (503, 10480), (524, 10060), (655, 8048), (1006, 5240), (1048, 5030), (1310, 4024), (2012, 2620), (2096, 2515)]