42645040

素因数分解:

$2^4\times 5^1\times {\mathrm{533063}}^1$

素因数の和:533076

約数の個数: 20

約数和(自身を含む): 99149904

約数和(自身を除く): 56504864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 533063, 1066126, 2132252, 2665315, 4264504, 5330630, 8529008, 10661260, 21322520, 42645040]

約数ペア:

[(1, 42645040), (2, 21322520), (4, 10661260), (5, 8529008), (8, 5330630), (10, 4264504), (16, 2665315), (20, 2132252), (40, 1066126), (80, 533063)]