7305220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28097}}^1$

素因数の和:28119

約数の個数: 24

約数和(自身を含む): 16521624

約数和(自身を除く): 9216404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28097, 56194, 112388, 140485, 280970, 365261, 561940, 730522, 1461044, 1826305, 3652610, 7305220]

約数ペア:

[(1, 7305220), (2, 3652610), (4, 1826305), (5, 1461044), (10, 730522), (13, 561940), (20, 365261), (26, 280970), (52, 140485), (65, 112388), (130, 56194), (260, 28097)]