520016920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{245291}}^1$

素因数の和:245355

約数の個数: 32

約数和(自身を含む): 1192119120

約数和(自身を除く): 672102200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 245291, 490582, 981164, 1226455, 1962328, 2452910, 4905820, 9811640, 13000423, 26000846, 52001692, 65002115, 104003384, 130004230, 260008460, 520016920]

約数ペア:

[(1, 520016920), (2, 260008460), (4, 130004230), (5, 104003384), (8, 65002115), (10, 52001692), (20, 26000846), (40, 13000423), (53, 9811640), (106, 4905820), (212, 2452910), (265, 1962328), (424, 1226455), (530, 981164), (1060, 490582), (2120, 245291)]