28137160

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4721}}^1$

素因数の和:4881

約数の個数: 32

約数和(自身を含む): 63747000

約数和(自身を除く): 35609840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 4721, 5960, 9442, 18884, 23605, 37768, 47210, 94420, 188840, 703429, 1406858, 2813716, 3517145, 5627432, 7034290, 14068580, 28137160]

約数ペア:

[(1, 28137160), (2, 14068580), (4, 7034290), (5, 5627432), (8, 3517145), (10, 2813716), (20, 1406858), (40, 703429), (149, 188840), (298, 94420), (596, 47210), (745, 37768), (1192, 23605), (1490, 18884), (2980, 9442), (4721, 5960)]