28366880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10429}}^1$

素因数の和:10461

約数の個数: 48

約数和(自身を含む): 70965720

約数和(自身を除く): 42598840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 10429, 20858, 41716, 52145, 83432, 104290, 166864, 177293, 208580, 333728, 354586, 417160, 709172, 834320, 886465, 1418344, 1668640, 1772930, 2836688, 3545860, 5673376, 7091720, 14183440, 28366880]

約数ペア:

[(1, 28366880), (2, 14183440), (4, 7091720), (5, 5673376), (8, 3545860), (10, 2836688), (16, 1772930), (17, 1668640), (20, 1418344), (32, 886465), (34, 834320), (40, 709172), (68, 417160), (80, 354586), (85, 333728), (136, 208580), (160, 177293), (170, 166864), (272, 104290), (340, 83432), (544, 52145), (680, 41716), (1360, 20858), (2720, 10429)]