8315920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5471}}^1$

素因数の和:5503

約数の個数: 40

約数和(自身を含む): 20355840

約数和(自身を除く): 12039920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5471, 10942, 21884, 27355, 43768, 54710, 87536, 103949, 109420, 207898, 218840, 415796, 437680, 519745, 831592, 1039490, 1663184, 2078980, 4157960, 8315920]

約数ペア:

[(1, 8315920), (2, 4157960), (4, 2078980), (5, 1663184), (8, 1039490), (10, 831592), (16, 519745), (19, 437680), (20, 415796), (38, 218840), (40, 207898), (76, 109420), (80, 103949), (95, 87536), (152, 54710), (190, 43768), (304, 27355), (380, 21884), (760, 10942), (1520, 5471)]