487607720

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{63823}}^1$

素因数の和:64025

約数の個数: 32

約数和(自身を含む): 1102878720

約数和(自身を除く): 615271000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 63823, 127646, 255292, 319115, 510584, 638230, 1276460, 2552920, 12190193, 24380386, 48760772, 60950965, 97521544, 121901930, 243803860, 487607720]

約数ペア:

[(1, 487607720), (2, 243803860), (4, 121901930), (5, 97521544), (8, 60950965), (10, 48760772), (20, 24380386), (40, 12190193), (191, 2552920), (382, 1276460), (764, 638230), (955, 510584), (1528, 319115), (1910, 255292), (3820, 127646), (7640, 63823)]