31778080

素因数分解:

$2^5\times 5^1\times {\mathrm{198613}}^1$

素因数の和:198628

約数の個数: 24

約数和(自身を含む): 75076092

約数和(自身を除く): 43298012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 198613, 397226, 794452, 993065, 1588904, 1986130, 3177808, 3972260, 6355616, 7944520, 15889040, 31778080]

約数ペア:

[(1, 31778080), (2, 15889040), (4, 7944520), (5, 6355616), (8, 3972260), (10, 3177808), (16, 1986130), (20, 1588904), (32, 993065), (40, 794452), (80, 397226), (160, 198613)]