26678840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 62964000

約数和(自身を除く): 36285160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 109, 116, 145, 211, 218, 232, 290, 422, 436, 545, 580, 844, 872, 1055, 1090, 1160, 1688, 2110, 2180, 3161, 4220, 4360, 6119, 6322, 8440, 12238, 12644, 15805, 22999, 24476, 25288, 30595, 31610, 45998, 48952, 61190, 63220, 91996, 114995, 122380, 126440, 183992, 229990, 244760, 459980, 666971, 919960, 1333942, 2667884, 3334855, 5335768, 6669710, 13339420, 26678840]

約数ペア:

[(1, 26678840), (2, 13339420), (4, 6669710), (5, 5335768), (8, 3334855), (10, 2667884), (20, 1333942), (29, 919960), (40, 666971), (58, 459980), (109, 244760), (116, 229990), (145, 183992), (211, 126440), (218, 122380), (232, 114995), (290, 91996), (422, 63220), (436, 61190), (545, 48952), (580, 45998), (844, 31610), (872, 30595), (1055, 25288), (1090, 24476), (1160, 22999), (1688, 15805), (2110, 12644), (2180, 12238), (3161, 8440), (4220, 6322), (4360, 6119)]