8255740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 18061344

約数和(自身を除く): 9805604

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 101, 122, 134, 202, 244, 268, 305, 335, 404, 505, 610, 670, 1010, 1220, 1340, 2020, 4087, 6161, 6767, 8174, 12322, 13534, 16348, 20435, 24644, 27068, 30805, 33835, 40870, 61610, 67670, 81740, 123220, 135340, 412787, 825574, 1651148, 2063935, 4127870, 8255740]

約数ペア:

[(1, 8255740), (2, 4127870), (4, 2063935), (5, 1651148), (10, 825574), (20, 412787), (61, 135340), (67, 123220), (101, 81740), (122, 67670), (134, 61610), (202, 40870), (244, 33835), (268, 30805), (305, 27068), (335, 24644), (404, 20435), (505, 16348), (610, 13534), (670, 12322), (1010, 8174), (1220, 6767), (1340, 6161), (2020, 4087)]