51805240

素因数分解:

$2^3\times 5^1\times {\mathrm{1295131}}^1$

素因数の和:1295142

約数の個数: 16

約数和(自身を含む): 116561880

約数和(自身を除く): 64756640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1295131, 2590262, 5180524, 6475655, 10361048, 12951310, 25902620, 51805240]

約数ペア:

[(1, 51805240), (2, 25902620), (4, 12951310), (5, 10361048), (8, 6475655), (10, 5180524), (20, 2590262), (40, 1295131)]