28795480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102841}}^1$

素因数の和:102859

約数の個数: 32

約数和(自身を含む): 74046240

約数和(自身を除く): 45250760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102841, 205682, 411364, 514205, 719887, 822728, 1028410, 1439774, 2056820, 2879548, 3599435, 4113640, 5759096, 7198870, 14397740, 28795480]

約数ペア:

[(1, 28795480), (2, 14397740), (4, 7198870), (5, 5759096), (7, 4113640), (8, 3599435), (10, 2879548), (14, 2056820), (20, 1439774), (28, 1028410), (35, 822728), (40, 719887), (56, 514205), (70, 411364), (140, 205682), (280, 102841)]