15965540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5743}}^1$

素因数の和:5891

約数の個数: 24

約数和(自身を含む): 33774720

約数和(自身を除く): 17809180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 5743, 11486, 22972, 28715, 57430, 114860, 798277, 1596554, 3193108, 3991385, 7982770, 15965540]

約数ペア:

[(1, 15965540), (2, 7982770), (4, 3991385), (5, 3193108), (10, 1596554), (20, 798277), (139, 114860), (278, 57430), (556, 28715), (695, 22972), (1390, 11486), (2780, 5743)]