61152020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 132420288

約数和(自身を除く): 71268268

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 211, 215, 337, 422, 430, 674, 844, 860, 1055, 1348, 1685, 2110, 3370, 4220, 6740, 9073, 14491, 18146, 28982, 36292, 45365, 57964, 71107, 72455, 90730, 142214, 144910, 181460, 284428, 289820, 355535, 711070, 1422140, 3057601, 6115202, 12230404, 15288005, 30576010, 61152020]

約数ペア:

[(1, 61152020), (2, 30576010), (4, 15288005), (5, 12230404), (10, 6115202), (20, 3057601), (43, 1422140), (86, 711070), (172, 355535), (211, 289820), (215, 284428), (337, 181460), (422, 144910), (430, 142214), (674, 90730), (844, 72455), (860, 71107), (1055, 57964), (1348, 45365), (1685, 36292), (2110, 28982), (3370, 18146), (4220, 14491), (6740, 9073)]