82420520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22643}}^1$

素因数の和:22674

約数の個数: 64

約数和(自身を含む): 228251520

約数和(自身を除く): 145831000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 22643, 45286, 90572, 113215, 158501, 181144, 226430, 294359, 317002, 452860, 588718, 634004, 792505, 905720, 1177436, 1268008, 1471795, 1585010, 2060513, 2354872, 2943590, 3170020, 4121026, 5887180, 6340040, 8242052, 10302565, 11774360, 16484104, 20605130, 41210260, 82420520]

約数ペア:

[(1, 82420520), (2, 41210260), (4, 20605130), (5, 16484104), (7, 11774360), (8, 10302565), (10, 8242052), (13, 6340040), (14, 5887180), (20, 4121026), (26, 3170020), (28, 2943590), (35, 2354872), (40, 2060513), (52, 1585010), (56, 1471795), (65, 1268008), (70, 1177436), (91, 905720), (104, 792505), (130, 634004), (140, 588718), (182, 452860), (260, 317002), (280, 294359), (364, 226430), (455, 181144), (520, 158501), (728, 113215), (910, 90572), (1820, 45286), (3640, 22643)]