8672440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 22809600

約数和(自身を除く): 14137160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 659, 940, 1316, 1318, 1645, 1880, 2632, 2636, 3290, 3295, 4613, 5272, 6580, 6590, 9226, 13160, 13180, 18452, 23065, 26360, 30973, 36904, 46130, 61946, 92260, 123892, 154865, 184520, 216811, 247784, 309730, 433622, 619460, 867244, 1084055, 1238920, 1734488, 2168110, 4336220, 8672440]

約数ペア:

[(1, 8672440), (2, 4336220), (4, 2168110), (5, 1734488), (7, 1238920), (8, 1084055), (10, 867244), (14, 619460), (20, 433622), (28, 309730), (35, 247784), (40, 216811), (47, 184520), (56, 154865), (70, 123892), (94, 92260), (140, 61946), (188, 46130), (235, 36904), (280, 30973), (329, 26360), (376, 23065), (470, 18452), (658, 13180), (659, 13160), (940, 9226), (1316, 6590), (1318, 6580), (1645, 5272), (1880, 4613), (2632, 3295), (2636, 3290)]