68640400

素因数分解:

$2^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1093}}^1$

素因数の和:1268

約数の個数: 60

約数和(自身を含む): 166110772

約数和(自身を除く): 97470372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 200, 314, 400, 628, 785, 1093, 1256, 1570, 2186, 2512, 3140, 3925, 4372, 5465, 6280, 7850, 8744, 10930, 12560, 15700, 17488, 21860, 27325, 31400, 43720, 54650, 62800, 87440, 109300, 171601, 218600, 343202, 437200, 686404, 858005, 1372808, 1716010, 2745616, 3432020, 4290025, 6864040, 8580050, 13728080, 17160100, 34320200, 68640400]

約数ペア:

[(1, 68640400), (2, 34320200), (4, 17160100), (5, 13728080), (8, 8580050), (10, 6864040), (16, 4290025), (20, 3432020), (25, 2745616), (40, 1716010), (50, 1372808), (80, 858005), (100, 686404), (157, 437200), (200, 343202), (314, 218600), (400, 171601), (628, 109300), (785, 87440), (1093, 62800), (1256, 54650), (1570, 43720), (2186, 31400), (2512, 27325), (3140, 21860), (3925, 17488), (4372, 15700), (5465, 12560), (6280, 10930), (7850, 8744)]