201207560

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{7823}}^1$

素因数の和:8477

約数の個数: 32

約数和(自身を含む): 453479040

約数和(自身を除く): 252271480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 5144, 6430, 7823, 12860, 15646, 25720, 31292, 39115, 62584, 78230, 156460, 312920, 5030189, 10060378, 20120756, 25150945, 40241512, 50301890, 100603780, 201207560]

約数ペア:

[(1, 201207560), (2, 100603780), (4, 50301890), (5, 40241512), (8, 25150945), (10, 20120756), (20, 10060378), (40, 5030189), (643, 312920), (1286, 156460), (2572, 78230), (3215, 62584), (5144, 39115), (6430, 31292), (7823, 25720), (12860, 15646)]