28504480

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2659}}^1$

素因数の和:2741

約数の個数: 48

約数和(自身を含む): 68372640

約数和(自身を除く): 39868160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2659, 2680, 5318, 5360, 10636, 10720, 13295, 21272, 26590, 42544, 53180, 85088, 106360, 178153, 212720, 356306, 425440, 712612, 890765, 1425224, 1781530, 2850448, 3563060, 5700896, 7126120, 14252240, 28504480]

約数ペア:

[(1, 28504480), (2, 14252240), (4, 7126120), (5, 5700896), (8, 3563060), (10, 2850448), (16, 1781530), (20, 1425224), (32, 890765), (40, 712612), (67, 425440), (80, 356306), (134, 212720), (160, 178153), (268, 106360), (335, 85088), (536, 53180), (670, 42544), (1072, 26590), (1340, 21272), (2144, 13295), (2659, 10720), (2680, 10636), (5318, 5360)]