85851520

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2531}}^1$

素因数の和:2603

約数の個数: 64

約数和(自身を含む): 209193840

約数和(自身を除く): 123342320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 2531, 3392, 4240, 5062, 6784, 8480, 10124, 12655, 16960, 20248, 25310, 33920, 40496, 50620, 80992, 101240, 134143, 161984, 202480, 268286, 323968, 404960, 536572, 670715, 809920, 1073144, 1341430, 1619840, 2146288, 2682860, 4292576, 5365720, 8585152, 10731440, 17170304, 21462880, 42925760, 85851520]

約数ペア:

[(1, 85851520), (2, 42925760), (4, 21462880), (5, 17170304), (8, 10731440), (10, 8585152), (16, 5365720), (20, 4292576), (32, 2682860), (40, 2146288), (53, 1619840), (64, 1341430), (80, 1073144), (106, 809920), (128, 670715), (160, 536572), (212, 404960), (265, 323968), (320, 268286), (424, 202480), (530, 161984), (640, 134143), (848, 101240), (1060, 80992), (1696, 50620), (2120, 40496), (2531, 33920), (3392, 25310), (4240, 20248), (5062, 16960), (6784, 12655), (8480, 10124)]