40489960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3527}}^1$

素因数の和:3586

約数の個数: 64

約数和(自身を含む): 106686720

約数和(自身を除く): 66196760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 3527, 5740, 7054, 11480, 14108, 17635, 24689, 28216, 35270, 49378, 70540, 98756, 123445, 141080, 144607, 197512, 246890, 289214, 493780, 578428, 723035, 987560, 1012249, 1156856, 1446070, 2024498, 2892140, 4048996, 5061245, 5784280, 8097992, 10122490, 20244980, 40489960]

約数ペア:

[(1, 40489960), (2, 20244980), (4, 10122490), (5, 8097992), (7, 5784280), (8, 5061245), (10, 4048996), (14, 2892140), (20, 2024498), (28, 1446070), (35, 1156856), (40, 1012249), (41, 987560), (56, 723035), (70, 578428), (82, 493780), (140, 289214), (164, 246890), (205, 197512), (280, 144607), (287, 141080), (328, 123445), (410, 98756), (574, 70540), (820, 49378), (1148, 35270), (1435, 28216), (1640, 24689), (2296, 17635), (2870, 14108), (3527, 11480), (5740, 7054)]