13393280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1231}}^1$

素因数の和:1267

約数の個数: 64

約数和(自身を含む): 33929280

約数和(自身を除く): 20536000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1231, 1360, 2176, 2462, 2720, 4924, 5440, 6155, 9848, 10880, 12310, 19696, 20927, 24620, 39392, 41854, 49240, 78784, 83708, 98480, 104635, 157568, 167416, 196960, 209270, 334832, 393920, 418540, 669664, 787840, 837080, 1339328, 1674160, 2678656, 3348320, 6696640, 13393280]

約数ペア:

[(1, 13393280), (2, 6696640), (4, 3348320), (5, 2678656), (8, 1674160), (10, 1339328), (16, 837080), (17, 787840), (20, 669664), (32, 418540), (34, 393920), (40, 334832), (64, 209270), (68, 196960), (80, 167416), (85, 157568), (128, 104635), (136, 98480), (160, 83708), (170, 78784), (272, 49240), (320, 41854), (340, 39392), (544, 24620), (640, 20927), (680, 19696), (1088, 12310), (1231, 10880), (1360, 9848), (2176, 6155), (2462, 5440), (2720, 4924)]