38858240

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 80

約数和(自身を含む): 95605488

約数和(自身を除く): 56747248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 353, 430, 512, 640, 688, 706, 860, 1280, 1376, 1412, 1720, 1765, 2560, 2752, 2824, 3440, 3530, 5504, 5648, 6880, 7060, 11008, 11296, 13760, 14120, 15179, 22016, 22592, 27520, 28240, 30358, 45184, 55040, 56480, 60716, 75895, 90368, 110080, 112960, 121432, 151790, 180736, 225920, 242864, 303580, 451840, 485728, 607160, 903680, 971456, 1214320, 1942912, 2428640, 3885824, 4857280, 7771648, 9714560, 19429120, 38858240]

約数ペア:

[(1, 38858240), (2, 19429120), (4, 9714560), (5, 7771648), (8, 4857280), (10, 3885824), (16, 2428640), (20, 1942912), (32, 1214320), (40, 971456), (43, 903680), (64, 607160), (80, 485728), (86, 451840), (128, 303580), (160, 242864), (172, 225920), (215, 180736), (256, 151790), (320, 121432), (344, 112960), (353, 110080), (430, 90368), (512, 75895), (640, 60716), (688, 56480), (706, 55040), (860, 45184), (1280, 30358), (1376, 28240), (1412, 27520), (1720, 22592), (1765, 22016), (2560, 15179), (2752, 14120), (2824, 13760), (3440, 11296), (3530, 11008), (5504, 7060), (5648, 6880)]