65221760

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1129

約数の個数: 64

約数和(自身を含む): 157620600

約数和(自身を除く): 92398840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 320, 404, 505, 640, 808, 1009, 1010, 1616, 2018, 2020, 3232, 4036, 4040, 5045, 6464, 8072, 8080, 10090, 12928, 16144, 16160, 20180, 32288, 32320, 40360, 64576, 64640, 80720, 101909, 129152, 161440, 203818, 322880, 407636, 509545, 645760, 815272, 1019090, 1630544, 2038180, 3261088, 4076360, 6522176, 8152720, 13044352, 16305440, 32610880, 65221760]

約数ペア:

[(1, 65221760), (2, 32610880), (4, 16305440), (5, 13044352), (8, 8152720), (10, 6522176), (16, 4076360), (20, 3261088), (32, 2038180), (40, 1630544), (64, 1019090), (80, 815272), (101, 645760), (128, 509545), (160, 407636), (202, 322880), (320, 203818), (404, 161440), (505, 129152), (640, 101909), (808, 80720), (1009, 64640), (1010, 64576), (1616, 40360), (2018, 32320), (2020, 32288), (3232, 20180), (4036, 16160), (4040, 16144), (5045, 12928), (6464, 10090), (8072, 8080)]