5447240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3167}}^1$

素因数の和:3221

約数の個数: 32

約数和(自身を含む): 12545280

約数和(自身を除く): 7098040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 3167, 6334, 12668, 15835, 25336, 31670, 63340, 126680, 136181, 272362, 544724, 680905, 1089448, 1361810, 2723620, 5447240]

約数ペア:

[(1, 5447240), (2, 2723620), (4, 1361810), (5, 1089448), (8, 680905), (10, 544724), (20, 272362), (40, 136181), (43, 126680), (86, 63340), (172, 31670), (215, 25336), (344, 15835), (430, 12668), (860, 6334), (1720, 3167)]