31251040

素因数分解:

$2^5\times 5^1\times {\mathrm{195319}}^1$

素因数の和:195334

約数の個数: 24

約数和(自身を含む): 73830960

約数和(自身を除く): 42579920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 195319, 390638, 781276, 976595, 1562552, 1953190, 3125104, 3906380, 6250208, 7812760, 15625520, 31251040]

約数ペア:

[(1, 31251040), (2, 15625520), (4, 7812760), (5, 6250208), (8, 3906380), (10, 3125104), (16, 1953190), (20, 1562552), (32, 976595), (40, 781276), (80, 390638), (160, 195319)]