9840040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 25608960

約数和(自身を除く): 15768920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 311, 452, 565, 622, 791, 904, 1130, 1244, 1555, 1582, 2177, 2260, 2488, 3110, 3164, 3955, 4354, 4520, 6220, 6328, 7910, 8708, 10885, 12440, 15820, 17416, 21770, 31640, 35143, 43540, 70286, 87080, 140572, 175715, 246001, 281144, 351430, 492002, 702860, 984004, 1230005, 1405720, 1968008, 2460010, 4920020, 9840040]

約数ペア:

[(1, 9840040), (2, 4920020), (4, 2460010), (5, 1968008), (7, 1405720), (8, 1230005), (10, 984004), (14, 702860), (20, 492002), (28, 351430), (35, 281144), (40, 246001), (56, 175715), (70, 140572), (113, 87080), (140, 70286), (226, 43540), (280, 35143), (311, 31640), (452, 21770), (565, 17416), (622, 15820), (791, 12440), (904, 10885), (1130, 8708), (1244, 7910), (1555, 6328), (1582, 6220), (2177, 4520), (2260, 4354), (2488, 3955), (3110, 3164)]