39057080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16007}}^1$

素因数の和:16079

約数の個数: 32

約数和(自身を含む): 89324640

約数和(自身を除く): 50267560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 16007, 32014, 64028, 80035, 128056, 160070, 320140, 640280, 976427, 1952854, 3905708, 4882135, 7811416, 9764270, 19528540, 39057080]

約数ペア:

[(1, 39057080), (2, 19528540), (4, 9764270), (5, 7811416), (8, 4882135), (10, 3905708), (20, 1952854), (40, 976427), (61, 640280), (122, 320140), (244, 160070), (305, 128056), (488, 80035), (610, 64028), (1220, 32014), (2440, 16007)]