28541960

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1913}}^1$

素因数の和:2297

約数の個数: 32

約数和(自身を含む): 64425240

約数和(自身を除く): 35883280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 1913, 2984, 3730, 3826, 7460, 7652, 9565, 14920, 15304, 19130, 38260, 76520, 713549, 1427098, 2854196, 3567745, 5708392, 7135490, 14270980, 28541960]

約数ペア:

[(1, 28541960), (2, 14270980), (4, 7135490), (5, 5708392), (8, 3567745), (10, 2854196), (20, 1427098), (40, 713549), (373, 76520), (746, 38260), (1492, 19130), (1865, 15304), (1913, 14920), (2984, 9565), (3730, 7652), (3826, 7460)]