129030800

素因数分解:

$2^4\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1979}}^1$

素因数の和:2160

約数の個数: 60

約数和(自身を含む): 312055920

約数和(自身を除く): 183025120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 163, 200, 326, 400, 652, 815, 1304, 1630, 1979, 2608, 3260, 3958, 4075, 6520, 7916, 8150, 9895, 13040, 15832, 16300, 19790, 31664, 32600, 39580, 49475, 65200, 79160, 98950, 158320, 197900, 322577, 395800, 645154, 791600, 1290308, 1612885, 2580616, 3225770, 5161232, 6451540, 8064425, 12903080, 16128850, 25806160, 32257700, 64515400, 129030800]

約数ペア:

[(1, 129030800), (2, 64515400), (4, 32257700), (5, 25806160), (8, 16128850), (10, 12903080), (16, 8064425), (20, 6451540), (25, 5161232), (40, 3225770), (50, 2580616), (80, 1612885), (100, 1290308), (163, 791600), (200, 645154), (326, 395800), (400, 322577), (652, 197900), (815, 158320), (1304, 98950), (1630, 79160), (1979, 65200), (2608, 49475), (3260, 39580), (3958, 32600), (4075, 31664), (6520, 19790), (7916, 16300), (8150, 15832), (9895, 13040)]