39040280

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1429}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 88030800

約数和(自身を除く): 48990520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 1429, 2732, 2858, 3415, 5464, 5716, 6830, 7145, 11432, 13660, 14290, 27320, 28580, 57160, 976007, 1952014, 3904028, 4880035, 7808056, 9760070, 19520140, 39040280]

約数ペア:

[(1, 39040280), (2, 19520140), (4, 9760070), (5, 7808056), (8, 4880035), (10, 3904028), (20, 1952014), (40, 976007), (683, 57160), (1366, 28580), (1429, 27320), (2732, 14290), (2858, 13660), (3415, 11432), (5464, 7145), (5716, 6830)]