80841400

素因数分解:

$2^3\times 5^2\times {\mathrm{619}}^1\times {\mathrm{653}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 188548200

約数和(自身を除く): 107706800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 619, 653, 1238, 1306, 2476, 2612, 3095, 3265, 4952, 5224, 6190, 6530, 12380, 13060, 15475, 16325, 24760, 26120, 30950, 32650, 61900, 65300, 123800, 130600, 404207, 808414, 1616828, 2021035, 3233656, 4042070, 8084140, 10105175, 16168280, 20210350, 40420700, 80841400]

約数ペア:

[(1, 80841400), (2, 40420700), (4, 20210350), (5, 16168280), (8, 10105175), (10, 8084140), (20, 4042070), (25, 3233656), (40, 2021035), (50, 1616828), (100, 808414), (200, 404207), (619, 130600), (653, 123800), (1238, 65300), (1306, 61900), (2476, 32650), (2612, 30950), (3095, 26120), (3265, 24760), (4952, 16325), (5224, 15475), (6190, 13060), (6530, 12380)]