38879960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{727}}^1$

素因数の和:936

約数の個数: 64

約数和(自身を含む): 100638720

約数和(自身を除く): 61758760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 727, 764, 955, 1337, 1454, 1528, 1910, 2674, 2908, 3635, 3820, 5089, 5348, 5816, 6685, 7270, 7640, 10178, 10696, 13370, 14540, 20356, 25445, 26740, 29080, 40712, 50890, 53480, 101780, 138857, 203560, 277714, 555428, 694285, 971999, 1110856, 1388570, 1943998, 2777140, 3887996, 4859995, 5554280, 7775992, 9719990, 19439980, 38879960]

約数ペア:

[(1, 38879960), (2, 19439980), (4, 9719990), (5, 7775992), (7, 5554280), (8, 4859995), (10, 3887996), (14, 2777140), (20, 1943998), (28, 1388570), (35, 1110856), (40, 971999), (56, 694285), (70, 555428), (140, 277714), (191, 203560), (280, 138857), (382, 101780), (727, 53480), (764, 50890), (955, 40712), (1337, 29080), (1454, 26740), (1528, 25445), (1910, 20356), (2674, 14540), (2908, 13370), (3635, 10696), (3820, 10178), (5089, 7640), (5348, 7270), (5816, 6685)]