16511480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 38702880

約数和(自身を除く): 22191400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 101, 122, 134, 202, 244, 268, 305, 335, 404, 488, 505, 536, 610, 670, 808, 1010, 1220, 1340, 2020, 2440, 2680, 4040, 4087, 6161, 6767, 8174, 12322, 13534, 16348, 20435, 24644, 27068, 30805, 32696, 33835, 40870, 49288, 54136, 61610, 67670, 81740, 123220, 135340, 163480, 246440, 270680, 412787, 825574, 1651148, 2063935, 3302296, 4127870, 8255740, 16511480]

約数ペア:

[(1, 16511480), (2, 8255740), (4, 4127870), (5, 3302296), (8, 2063935), (10, 1651148), (20, 825574), (40, 412787), (61, 270680), (67, 246440), (101, 163480), (122, 135340), (134, 123220), (202, 81740), (244, 67670), (268, 61610), (305, 54136), (335, 49288), (404, 40870), (488, 33835), (505, 32696), (536, 30805), (610, 27068), (670, 24644), (808, 20435), (1010, 16348), (1220, 13534), (1340, 12322), (2020, 8174), (2440, 6767), (2680, 6161), (4040, 4087)]