42836680

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2753}}^1$

素因数の和:3153

約数の個数: 32

約数和(自身を含む): 96665400

約数和(自身を除く): 53828720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 2753, 3112, 3890, 5506, 7780, 11012, 13765, 15560, 22024, 27530, 55060, 110120, 1070917, 2141834, 4283668, 5354585, 8567336, 10709170, 21418340, 42836680]

約数ペア:

[(1, 42836680), (2, 21418340), (4, 10709170), (5, 8567336), (8, 5354585), (10, 4283668), (20, 2141834), (40, 1070917), (389, 110120), (778, 55060), (1556, 27530), (1945, 22024), (2753, 15560), (3112, 13765), (3890, 11012), (5506, 7780)]