50720420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 111086640

約数和(自身を除く): 60366220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 157, 290, 314, 557, 580, 628, 785, 1114, 1570, 2228, 2785, 3140, 4553, 5570, 9106, 11140, 16153, 18212, 22765, 32306, 45530, 64612, 80765, 87449, 91060, 161530, 174898, 323060, 349796, 437245, 874490, 1748980, 2536021, 5072042, 10144084, 12680105, 25360210, 50720420]

約数ペア:

[(1, 50720420), (2, 25360210), (4, 12680105), (5, 10144084), (10, 5072042), (20, 2536021), (29, 1748980), (58, 874490), (116, 437245), (145, 349796), (157, 323060), (290, 174898), (314, 161530), (557, 91060), (580, 87449), (628, 80765), (785, 64612), (1114, 45530), (1570, 32306), (2228, 22765), (2785, 18212), (3140, 16153), (4553, 11140), (5570, 9106)]