86638580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{618847}}^1$

素因数の和:618863

約数の個数: 24

約数和(自身を含む): 207932928

約数和(自身を除く): 121294348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 618847, 1237694, 2475388, 3094235, 4331929, 6188470, 8663858, 12376940, 17327716, 21659645, 43319290, 86638580]

約数ペア:

[(1, 86638580), (2, 43319290), (4, 21659645), (5, 17327716), (7, 12376940), (10, 8663858), (14, 6188470), (20, 4331929), (28, 3094235), (35, 2475388), (70, 1237694), (140, 618847)]