64245860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{65557}}^1$

素因数の和:65580

約数の個数: 36

約数和(自身を含む): 156945852

約数和(自身を除く): 92699992

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 65557, 131114, 262228, 327785, 458899, 655570, 917798, 1311140, 1835596, 2294495, 3212293, 4588990, 6424586, 9177980, 12849172, 16061465, 32122930, 64245860]

約数ペア:

[(1, 64245860), (2, 32122930), (4, 16061465), (5, 12849172), (7, 9177980), (10, 6424586), (14, 4588990), (20, 3212293), (28, 2294495), (35, 1835596), (49, 1311140), (70, 917798), (98, 655570), (140, 458899), (196, 327785), (245, 262228), (490, 131114), (980, 65557)]