2543660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{18169}}^1$

素因数の和:18185

約数の個数: 24

約数和(自身を含む): 6105120

約数和(自身を除く): 3561460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 18169, 36338, 72676, 90845, 127183, 181690, 254366, 363380, 508732, 635915, 1271830, 2543660]

約数ペア:

[(1, 2543660), (2, 1271830), (4, 635915), (5, 508732), (7, 363380), (10, 254366), (14, 181690), (20, 127183), (28, 90845), (35, 72676), (70, 36338), (140, 18169)]