55245320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 135051840

約数和(自身を除く): 79806520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 811, 1048, 1310, 1622, 1703, 2620, 3244, 3406, 4055, 5240, 6488, 6812, 8110, 8515, 10543, 13624, 16220, 17030, 21086, 32440, 34060, 42172, 52715, 68120, 84344, 105430, 106241, 210860, 212482, 421720, 424964, 531205, 849928, 1062410, 1381133, 2124820, 2762266, 4249640, 5524532, 6905665, 11049064, 13811330, 27622660, 55245320]

約数ペア:

[(1, 55245320), (2, 27622660), (4, 13811330), (5, 11049064), (8, 6905665), (10, 5524532), (13, 4249640), (20, 2762266), (26, 2124820), (40, 1381133), (52, 1062410), (65, 849928), (104, 531205), (130, 424964), (131, 421720), (260, 212482), (262, 210860), (520, 106241), (524, 105430), (655, 84344), (811, 68120), (1048, 52715), (1310, 42172), (1622, 34060), (1703, 32440), (2620, 21086), (3244, 17030), (3406, 16220), (4055, 13624), (5240, 10543), (6488, 8515), (6812, 8110)]