61814360

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4969}}^1$

素因数の和:5291

約数の個数: 32

約数和(自身を含む): 139557600

約数和(自身を除く): 77743240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 4969, 6220, 9938, 12440, 19876, 24845, 39752, 49690, 99380, 198760, 1545359, 3090718, 6181436, 7726795, 12362872, 15453590, 30907180, 61814360]

約数ペア:

[(1, 61814360), (2, 30907180), (4, 15453590), (5, 12362872), (8, 7726795), (10, 6181436), (20, 3090718), (40, 1545359), (311, 198760), (622, 99380), (1244, 49690), (1555, 39752), (2488, 24845), (3110, 19876), (4969, 12440), (6220, 9938)]