51121600

素因数分解:

$2^6\times 5^2\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:470

約数の個数: 84

約数和(自身を含む): 127558800

約数和(自身を除く): 76437200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 160, 178, 200, 320, 356, 359, 400, 445, 712, 718, 800, 890, 1424, 1436, 1600, 1780, 1795, 2225, 2848, 2872, 3560, 3590, 4450, 5696, 5744, 7120, 7180, 8900, 8975, 11488, 14240, 14360, 17800, 17950, 22976, 28480, 28720, 31951, 35600, 35900, 57440, 63902, 71200, 71800, 114880, 127804, 142400, 143600, 159755, 255608, 287200, 319510, 511216, 574400, 639020, 798775, 1022432, 1278040, 1597550, 2044864, 2556080, 3195100, 5112160, 6390200, 10224320, 12780400, 25560800, 51121600]

約数ペア:

[(1, 51121600), (2, 25560800), (4, 12780400), (5, 10224320), (8, 6390200), (10, 5112160), (16, 3195100), (20, 2556080), (25, 2044864), (32, 1597550), (40, 1278040), (50, 1022432), (64, 798775), (80, 639020), (89, 574400), (100, 511216), (160, 319510), (178, 287200), (200, 255608), (320, 159755), (356, 143600), (359, 142400), (400, 127804), (445, 114880), (712, 71800), (718, 71200), (800, 63902), (890, 57440), (1424, 35900), (1436, 35600), (1600, 31951), (1780, 28720), (1795, 28480), (2225, 22976), (2848, 17950), (2872, 17800), (3560, 14360), (3590, 14240), (4450, 11488), (5696, 8975), (5744, 8900), (7120, 7180)]