64116040

素因数分解:

$2^3\times 5^1\times {\mathrm{1602901}}^1$

素因数の和:1602912

約数の個数: 16

約数和(自身を含む): 144261180

約数和(自身を除く): 80145140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1602901, 3205802, 6411604, 8014505, 12823208, 16029010, 32058020, 64116040]

約数ペア:

[(1, 64116040), (2, 32058020), (4, 16029010), (5, 12823208), (8, 8014505), (10, 6411604), (20, 3205802), (40, 1602901)]