55475740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89477}}^1$

素因数の和:89517

約数の個数: 24

約数和(自身を含む): 120258432

約数和(自身を除く): 64782692

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 89477, 178954, 357908, 447385, 894770, 1789540, 2773787, 5547574, 11095148, 13868935, 27737870, 55475740]

約数ペア:

[(1, 55475740), (2, 27737870), (4, 13868935), (5, 11095148), (10, 5547574), (20, 2773787), (31, 1789540), (62, 894770), (124, 447385), (155, 357908), (310, 178954), (620, 89477)]