7819520

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 19315800

約数和(自身を除く): 11496280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 149, 160, 164, 205, 256, 298, 320, 328, 410, 596, 640, 656, 745, 820, 1192, 1280, 1312, 1490, 1640, 2384, 2624, 2980, 3280, 4768, 5248, 5960, 6109, 6560, 9536, 10496, 11920, 12218, 13120, 19072, 23840, 24436, 26240, 30545, 38144, 47680, 48872, 52480, 61090, 95360, 97744, 122180, 190720, 195488, 244360, 390976, 488720, 781952, 977440, 1563904, 1954880, 3909760, 7819520]

約数ペア:

[(1, 7819520), (2, 3909760), (4, 1954880), (5, 1563904), (8, 977440), (10, 781952), (16, 488720), (20, 390976), (32, 244360), (40, 195488), (41, 190720), (64, 122180), (80, 97744), (82, 95360), (128, 61090), (149, 52480), (160, 48872), (164, 47680), (205, 38144), (256, 30545), (298, 26240), (320, 24436), (328, 23840), (410, 19072), (596, 13120), (640, 12218), (656, 11920), (745, 10496), (820, 9536), (1192, 6560), (1280, 6109), (1312, 5960), (1490, 5248), (1640, 4768), (2384, 3280), (2624, 2980)]