28434880

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5227}}^1$

素因数の和:5261

約数の個数: 56

約数和(自身を含む): 71707248

約数和(自身を除く): 43272368

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5227, 5440, 10454, 20908, 26135, 41816, 52270, 83632, 88859, 104540, 167264, 177718, 209080, 334528, 355436, 418160, 444295, 710872, 836320, 888590, 1421744, 1672640, 1777180, 2843488, 3554360, 5686976, 7108720, 14217440, 28434880]

約数ペア:

[(1, 28434880), (2, 14217440), (4, 7108720), (5, 5686976), (8, 3554360), (10, 2843488), (16, 1777180), (17, 1672640), (20, 1421744), (32, 888590), (34, 836320), (40, 710872), (64, 444295), (68, 418160), (80, 355436), (85, 334528), (136, 209080), (160, 177718), (170, 167264), (272, 104540), (320, 88859), (340, 83632), (544, 52270), (680, 41816), (1088, 26135), (1360, 20908), (2720, 10454), (5227, 5440)]