80018872

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{509}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 154162800

約数和(自身を除く): 74143928

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 457, 509, 914, 1018, 1828, 2036, 3656, 4072, 19651, 21887, 39302, 43774, 78604, 87548, 157208, 175096, 232613, 465226, 930452, 1860904, 10002359, 20004718, 40009436, 80018872]

約数ペア:

[(1, 80018872), (2, 40009436), (4, 20004718), (8, 10002359), (43, 1860904), (86, 930452), (172, 465226), (344, 232613), (457, 175096), (509, 157208), (914, 87548), (1018, 78604), (1828, 43774), (2036, 39302), (3656, 21887), (4072, 19651)]