80668048

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{30931}}^1$

素因数の和:31102

約数の個数: 20

約数和(自身を含む): 157258288

約数和(自身を除く): 76590240

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 30931, 61862, 123724, 247448, 494896, 5041753, 10083506, 20167012, 40334024, 80668048]

約数ペア:

[(1, 80668048), (2, 40334024), (4, 20167012), (8, 10083506), (16, 5041753), (163, 494896), (326, 247448), (652, 123724), (1304, 61862), (2608, 30931)]