211313920

素因数分解:

$2^8\times 5^1\times {\mathrm{165089}}^1$

素因数の和:165110

約数の個数: 36

約数和(自身を含む): 506165940

約数和(自身を除く): 294852020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 165089, 330178, 660356, 825445, 1320712, 1650890, 2641424, 3301780, 5282848, 6603560, 10565696, 13207120, 21131392, 26414240, 42262784, 52828480, 105656960, 211313920]

約数ペア:

[(1, 211313920), (2, 105656960), (4, 52828480), (5, 42262784), (8, 26414240), (10, 21131392), (16, 13207120), (20, 10565696), (32, 6603560), (40, 5282848), (64, 3301780), (80, 2641424), (128, 1650890), (160, 1320712), (256, 825445), (320, 660356), (640, 330178), (1280, 165089)]