91358720

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:431

約数の個数: 80

約数和(自身を含む): 221557248

約数和(自身を除く): 130198528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 281, 320, 508, 512, 562, 635, 640, 1016, 1124, 1270, 1280, 1405, 2032, 2248, 2540, 2560, 2810, 4064, 4496, 5080, 5620, 8128, 8992, 10160, 11240, 16256, 17984, 20320, 22480, 32512, 35687, 35968, 40640, 44960, 65024, 71374, 71936, 81280, 89920, 142748, 143872, 162560, 178435, 179840, 285496, 325120, 356870, 359680, 570992, 713740, 719360, 1141984, 1427480, 2283968, 2854960, 4567936, 5709920, 9135872, 11419840, 18271744, 22839680, 45679360, 91358720]

約数ペア:

[(1, 91358720), (2, 45679360), (4, 22839680), (5, 18271744), (8, 11419840), (10, 9135872), (16, 5709920), (20, 4567936), (32, 2854960), (40, 2283968), (64, 1427480), (80, 1141984), (127, 719360), (128, 713740), (160, 570992), (254, 359680), (256, 356870), (281, 325120), (320, 285496), (508, 179840), (512, 178435), (562, 162560), (635, 143872), (640, 142748), (1016, 89920), (1124, 81280), (1270, 71936), (1280, 71374), (1405, 65024), (2032, 44960), (2248, 40640), (2540, 35968), (2560, 35687), (2810, 32512), (4064, 22480), (4496, 20320), (5080, 17984), (5620, 16256), (8128, 11240), (8992, 10160)]