8907520

素因数分解:

$2^8\times 5^1\times {\mathrm{6959}}^1$

素因数の和:6980

約数の個数: 36

約数和(自身を含む): 21339360

約数和(自身を除く): 12431840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 6959, 13918, 27836, 34795, 55672, 69590, 111344, 139180, 222688, 278360, 445376, 556720, 890752, 1113440, 1781504, 2226880, 4453760, 8907520]

約数ペア:

[(1, 8907520), (2, 4453760), (4, 2226880), (5, 1781504), (8, 1113440), (10, 890752), (16, 556720), (20, 445376), (32, 278360), (40, 222688), (64, 139180), (80, 111344), (128, 69590), (160, 55672), (256, 34795), (320, 27836), (640, 13918), (1280, 6959)]