28723210

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4481}}^1$

素因数の和:5129

約数の個数: 16

約数和(自身を含む): 51793992

約数和(自身を除く): 23070782

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 4481, 6410, 8962, 22405, 44810, 2872321, 5744642, 14361605, 28723210]

約数ペア:

[(1, 28723210), (2, 14361605), (5, 5744642), (10, 2872321), (641, 44810), (1282, 22405), (3205, 8962), (4481, 6410)]