40209960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47869}}^1$

素因数の和:47890

約数の個数: 64

約数和(自身を含む): 137865600

約数和(自身を除く): 97655640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 47869, 95738, 143607, 191476, 239345, 287214, 335083, 382952, 478690, 574428, 670166, 718035, 957380, 1005249, 1148856, 1340332, 1436070, 1675415, 1914760, 2010498, 2680664, 2872140, 3350830, 4020996, 5026245, 5744280, 6701660, 8041992, 10052490, 13403320, 20104980, 40209960]

約数ペア:

[(1, 40209960), (2, 20104980), (3, 13403320), (4, 10052490), (5, 8041992), (6, 6701660), (7, 5744280), (8, 5026245), (10, 4020996), (12, 3350830), (14, 2872140), (15, 2680664), (20, 2010498), (21, 1914760), (24, 1675415), (28, 1436070), (30, 1340332), (35, 1148856), (40, 1005249), (42, 957380), (56, 718035), (60, 670166), (70, 574428), (84, 478690), (105, 382952), (120, 335083), (140, 287214), (168, 239345), (210, 191476), (280, 143607), (420, 95738), (840, 47869)]