80821376

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{21773}}^1$

素因数の和:21816

約数の個数: 32

約数和(自身を含む): 166571100

約数和(自身を除く): 85749724

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 21773, 43546, 87092, 174184, 348368, 631417, 696736, 1262834, 1393472, 2525668, 2786944, 5051336, 10102672, 20205344, 40410688, 80821376]

約数ペア:

[(1, 80821376), (2, 40410688), (4, 20205344), (8, 10102672), (16, 5051336), (29, 2786944), (32, 2525668), (58, 1393472), (64, 1262834), (116, 696736), (128, 631417), (232, 348368), (464, 174184), (928, 87092), (1856, 43546), (3712, 21773)]