40824820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{719}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 91445760

約数和(自身を除く): 50620940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 167, 170, 334, 340, 668, 719, 835, 1438, 1670, 2839, 2876, 3340, 3595, 5678, 7190, 11356, 12223, 14195, 14380, 24446, 28390, 48892, 56780, 61115, 120073, 122230, 240146, 244460, 480292, 600365, 1200730, 2041241, 2401460, 4082482, 8164964, 10206205, 20412410, 40824820]

約数ペア:

[(1, 40824820), (2, 20412410), (4, 10206205), (5, 8164964), (10, 4082482), (17, 2401460), (20, 2041241), (34, 1200730), (68, 600365), (85, 480292), (167, 244460), (170, 240146), (334, 122230), (340, 120073), (668, 61115), (719, 56780), (835, 48892), (1438, 28390), (1670, 24446), (2839, 14380), (2876, 14195), (3340, 12223), (3595, 11356), (5678, 7190)]