16540360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13339}}^1$

素因数の和:13381

約数の個数: 32

約数和(自身を含む): 38419200

約数和(自身を除く): 21878840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13339, 26678, 53356, 66695, 106712, 133390, 266780, 413509, 533560, 827018, 1654036, 2067545, 3308072, 4135090, 8270180, 16540360]

約数ペア:

[(1, 16540360), (2, 8270180), (4, 4135090), (5, 3308072), (8, 2067545), (10, 1654036), (20, 827018), (31, 533560), (40, 413509), (62, 266780), (124, 133390), (155, 106712), (248, 66695), (310, 53356), (620, 26678), (1240, 13339)]