20190800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7211}}^1$

素因数の和:7236

約数の個数: 60

約数和(自身を含む): 55445856

約数和(自身を除く): 35255056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7211, 14422, 28844, 36055, 50477, 57688, 72110, 100954, 115376, 144220, 180275, 201908, 252385, 288440, 360550, 403816, 504770, 576880, 721100, 807632, 1009540, 1261925, 1442200, 2019080, 2523850, 2884400, 4038160, 5047700, 10095400, 20190800]

約数ペア:

[(1, 20190800), (2, 10095400), (4, 5047700), (5, 4038160), (7, 2884400), (8, 2523850), (10, 2019080), (14, 1442200), (16, 1261925), (20, 1009540), (25, 807632), (28, 721100), (35, 576880), (40, 504770), (50, 403816), (56, 360550), (70, 288440), (80, 252385), (100, 201908), (112, 180275), (140, 144220), (175, 115376), (200, 100954), (280, 72110), (350, 57688), (400, 50477), (560, 36055), (700, 28844), (1400, 14422), (2800, 7211)]