67651820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 145279008

約数和(自身を除く): 77627188

約数列:

[1, 2, 4, 5, 10, 20, 101, 107, 202, 214, 313, 404, 428, 505, 535, 626, 1010, 1070, 1252, 1565, 2020, 2140, 3130, 6260, 10807, 21614, 31613, 33491, 43228, 54035, 63226, 66982, 108070, 126452, 133964, 158065, 167455, 216140, 316130, 334910, 632260, 669820, 3382591, 6765182, 13530364, 16912955, 33825910, 67651820]

約数ペア:

[(1, 67651820), (2, 33825910), (4, 16912955), (5, 13530364), (10, 6765182), (20, 3382591), (101, 669820), (107, 632260), (202, 334910), (214, 316130), (313, 216140), (404, 167455), (428, 158065), (505, 133964), (535, 126452), (626, 108070), (1010, 66982), (1070, 63226), (1252, 54035), (1565, 43228), (2020, 33491), (2140, 31613), (3130, 21614), (6260, 10807)]