51467080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{463}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 132963840

約数和(自身を除く): 81496760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397, 463, 794, 926, 1588, 1852, 1985, 2315, 2779, 3176, 3241, 3704, 3970, 4630, 5558, 6482, 7940, 9260, 11116, 12964, 13895, 15880, 16205, 18520, 22232, 25928, 27790, 32410, 55580, 64820, 111160, 129640, 183811, 367622, 735244, 919055, 1286677, 1470488, 1838110, 2573354, 3676220, 5146708, 6433385, 7352440, 10293416, 12866770, 25733540, 51467080]

約数ペア:

[(1, 51467080), (2, 25733540), (4, 12866770), (5, 10293416), (7, 7352440), (8, 6433385), (10, 5146708), (14, 3676220), (20, 2573354), (28, 1838110), (35, 1470488), (40, 1286677), (56, 919055), (70, 735244), (140, 367622), (280, 183811), (397, 129640), (463, 111160), (794, 64820), (926, 55580), (1588, 32410), (1852, 27790), (1985, 25928), (2315, 22232), (2779, 18520), (3176, 16205), (3241, 15880), (3704, 13895), (3970, 12964), (4630, 11116), (5558, 9260), (6482, 7940)]