73278620

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{8501}}^1$

素因数の和:8941

約数の個数: 24

約数和(自身を含む): 154260288

約数和(自身を除く): 80981668

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8501, 8620, 17002, 34004, 42505, 85010, 170020, 3663931, 7327862, 14655724, 18319655, 36639310, 73278620]

約数ペア:

[(1, 73278620), (2, 36639310), (4, 18319655), (5, 14655724), (10, 7327862), (20, 3663931), (431, 170020), (862, 85010), (1724, 42505), (2155, 34004), (4310, 17002), (8501, 8620)]