39908820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{95021}}^1$

素因数の和:95040

約数の個数: 48

約数和(自身を含む): 127709568

約数和(自身を除く): 87800748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 95021, 190042, 285063, 380084, 475105, 570126, 665147, 950210, 1140252, 1330294, 1425315, 1900420, 1995441, 2660588, 2850630, 3325735, 3990882, 5701260, 6651470, 7981764, 9977205, 13302940, 19954410, 39908820]

約数ペア:

[(1, 39908820), (2, 19954410), (3, 13302940), (4, 9977205), (5, 7981764), (6, 6651470), (7, 5701260), (10, 3990882), (12, 3325735), (14, 2850630), (15, 2660588), (20, 1995441), (21, 1900420), (28, 1425315), (30, 1330294), (35, 1140252), (42, 950210), (60, 665147), (70, 570126), (84, 475105), (105, 380084), (140, 285063), (210, 190042), (420, 95021)]