4990256

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{10061}}^1$

素因数の和:10100

約数の個数: 20

約数和(自身を含む): 9981504

約数和(自身を除く): 4991248

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 10061, 20122, 40244, 80488, 160976, 311891, 623782, 1247564, 2495128, 4990256]

約数ペア:

[(1, 4990256), (2, 2495128), (4, 1247564), (8, 623782), (16, 311891), (31, 160976), (62, 80488), (124, 40244), (248, 20122), (496, 10061)]