2016199600

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{122939}}^1$

素因数の和:122998

約数の個数: 60

約数和(自身を含む): 4962104280

約数和(自身を除く): 2945904680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 8200, 16400, 122939, 245878, 491756, 614695, 983512, 1229390, 1967024, 2458780, 3073475, 4917560, 5040499, 6146950, 9835120, 10080998, 12293900, 20161996, 24587800, 25202495, 40323992, 49175600, 50404990, 80647984, 100809980, 126012475, 201619960, 252024950, 403239920, 504049900, 1008099800, 2016199600]

約数ペア:

[(1, 2016199600), (2, 1008099800), (4, 504049900), (5, 403239920), (8, 252024950), (10, 201619960), (16, 126012475), (20, 100809980), (25, 80647984), (40, 50404990), (41, 49175600), (50, 40323992), (80, 25202495), (82, 24587800), (100, 20161996), (164, 12293900), (200, 10080998), (205, 9835120), (328, 6146950), (400, 5040499), (410, 4917560), (656, 3073475), (820, 2458780), (1025, 1967024), (1640, 1229390), (2050, 983512), (3280, 614695), (4100, 491756), (8200, 245878), (16400, 122939)]