55562440

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2729}}^1$

素因数の和:3249

約数の個数: 32

約数和(自身を含む): 125307000

約数和(自身を除く): 69744560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 2729, 4072, 5090, 5458, 10180, 10916, 13645, 20360, 21832, 27290, 54580, 109160, 1389061, 2778122, 5556244, 6945305, 11112488, 13890610, 27781220, 55562440]

約数ペア:

[(1, 55562440), (2, 27781220), (4, 13890610), (5, 11112488), (8, 6945305), (10, 5556244), (20, 2778122), (40, 1389061), (509, 109160), (1018, 54580), (2036, 27290), (2545, 21832), (2729, 20360), (4072, 13645), (5090, 10916), (5458, 10180)]