2078341280

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{79691}}^1$

素因数の和:79869

約数の個数: 48

約数和(自身を含む): 4940266464

約数和(自身を除く): 2861925184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 13040, 26080, 79691, 159382, 318764, 398455, 637528, 796910, 1275056, 1593820, 2550112, 3187640, 6375280, 12750560, 12989633, 25979266, 51958532, 64948165, 103917064, 129896330, 207834128, 259792660, 415668256, 519585320, 1039170640, 2078341280]

約数ペア:

[(1, 2078341280), (2, 1039170640), (4, 519585320), (5, 415668256), (8, 259792660), (10, 207834128), (16, 129896330), (20, 103917064), (32, 64948165), (40, 51958532), (80, 25979266), (160, 12989633), (163, 12750560), (326, 6375280), (652, 3187640), (815, 2550112), (1304, 1593820), (1630, 1275056), (2608, 796910), (3260, 637528), (5216, 398455), (6520, 318764), (13040, 159382), (26080, 79691)]