30880016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:831

約数の個数: 40

約数和(自身を含む): 63478080

約数和(自身を除く): 32598064

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 628, 647, 1256, 1294, 2512, 2588, 2983, 5176, 5966, 10352, 11932, 12293, 23864, 24586, 47728, 49172, 98344, 101579, 196688, 203158, 406316, 812632, 1625264, 1930001, 3860002, 7720004, 15440008, 30880016]

約数ペア:

[(1, 30880016), (2, 15440008), (4, 7720004), (8, 3860002), (16, 1930001), (19, 1625264), (38, 812632), (76, 406316), (152, 203158), (157, 196688), (304, 101579), (314, 98344), (628, 49172), (647, 47728), (1256, 24586), (1294, 23864), (2512, 12293), (2588, 11932), (2983, 10352), (5176, 5966)]