16305440

素因数分解:

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

素因数の和:1125

約数の個数: 48

約数和(自身を含む): 38941560

約数和(自身を除く): 22636120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1009, 1010, 1616, 2018, 2020, 3232, 4036, 4040, 5045, 8072, 8080, 10090, 16144, 16160, 20180, 32288, 40360, 80720, 101909, 161440, 203818, 407636, 509545, 815272, 1019090, 1630544, 2038180, 3261088, 4076360, 8152720, 16305440]

約数ペア:

[(1, 16305440), (2, 8152720), (4, 4076360), (5, 3261088), (8, 2038180), (10, 1630544), (16, 1019090), (20, 815272), (32, 509545), (40, 407636), (80, 203818), (101, 161440), (160, 101909), (202, 80720), (404, 40360), (505, 32288), (808, 20180), (1009, 16160), (1010, 16144), (1616, 10090), (2018, 8080), (2020, 8072), (3232, 5045), (4036, 4040)]