39760840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{673}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 102879360

約数和(自身を除く): 63118520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 673, 844, 1055, 1346, 1477, 1688, 2110, 2692, 2954, 3365, 4220, 4711, 5384, 5908, 6730, 7385, 8440, 9422, 11816, 13460, 14770, 18844, 23555, 26920, 29540, 37688, 47110, 59080, 94220, 142003, 188440, 284006, 568012, 710015, 994021, 1136024, 1420030, 1988042, 2840060, 3976084, 4970105, 5680120, 7952168, 9940210, 19880420, 39760840]

約数ペア:

[(1, 39760840), (2, 19880420), (4, 9940210), (5, 7952168), (7, 5680120), (8, 4970105), (10, 3976084), (14, 2840060), (20, 1988042), (28, 1420030), (35, 1136024), (40, 994021), (56, 710015), (70, 568012), (140, 284006), (211, 188440), (280, 142003), (422, 94220), (673, 59080), (844, 47110), (1055, 37688), (1346, 29540), (1477, 26920), (1688, 23555), (2110, 18844), (2692, 14770), (2954, 13460), (3365, 11816), (4220, 9422), (4711, 8440), (5384, 7385), (5908, 6730)]