80491696

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{82471}}^1$

素因数の和:82540

約数の個数: 20

約数和(自身を含む): 158511184

約数和(自身を除く): 78019488

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 82471, 164942, 329884, 659768, 1319536, 5030731, 10061462, 20122924, 40245848, 80491696]

約数ペア:

[(1, 80491696), (2, 40245848), (4, 20122924), (8, 10061462), (16, 5030731), (61, 1319536), (122, 659768), (244, 329884), (488, 164942), (976, 82471)]