2556555740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4123477}}^1$

素因数の和:4123517

約数の個数: 24

約数和(自身を含む): 5541954432

約数和(自身を除く): 2985398692

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4123477, 8246954, 16493908, 20617385, 41234770, 82469540, 127827787, 255655574, 511311148, 639138935, 1278277870, 2556555740]

約数ペア:

[(1, 2556555740), (2, 1278277870), (4, 639138935), (5, 511311148), (10, 255655574), (20, 127827787), (31, 82469540), (62, 41234770), (124, 20617385), (155, 16493908), (310, 8246954), (620, 4123477)]