140619520

素因数分解:

$2^8\times 5^1\times {\mathrm{109859}}^1$

素因数の和:109880

約数の個数: 36

約数和(自身を含む): 336830760

約数和(自身を除く): 196211240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 109859, 219718, 439436, 549295, 878872, 1098590, 1757744, 2197180, 3515488, 4394360, 7030976, 8788720, 14061952, 17577440, 28123904, 35154880, 70309760, 140619520]

約数ペア:

[(1, 140619520), (2, 70309760), (4, 35154880), (5, 28123904), (8, 17577440), (10, 14061952), (16, 8788720), (20, 7030976), (32, 4394360), (40, 3515488), (64, 2197180), (80, 1757744), (128, 1098590), (160, 878872), (256, 549295), (320, 439436), (640, 219718), (1280, 109859)]