64856540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{463261}}^1$

素因数の和:463277

約数の個数: 24

約数和(自身を含む): 155656032

約数和(自身を除く): 90799492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 463261, 926522, 1853044, 2316305, 3242827, 4632610, 6485654, 9265220, 12971308, 16214135, 32428270, 64856540]

約数ペア:

[(1, 64856540), (2, 32428270), (4, 16214135), (5, 12971308), (7, 9265220), (10, 6485654), (14, 4632610), (20, 3242827), (28, 2316305), (35, 1853044), (70, 926522), (140, 463261)]