51388970

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{8017}}^1$

素因数の和:8665

約数の個数: 16

約数和(自身を含む): 92656008

約数和(自身を除く): 41267038

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 8017, 16034, 40085, 80170, 5138897, 10277794, 25694485, 51388970]

約数ペア:

[(1, 51388970), (2, 25694485), (5, 10277794), (10, 5138897), (641, 80170), (1282, 40085), (3205, 16034), (6410, 8017)]