11527280

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1619}}^1$

素因数の和:1721

約数の個数: 40

約数和(自身を含む): 27118800

約数和(自身を除く): 15591520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1619, 1780, 3238, 3560, 6476, 7120, 8095, 12952, 16190, 25904, 32380, 64760, 129520, 144091, 288182, 576364, 720455, 1152728, 1440910, 2305456, 2881820, 5763640, 11527280]

約数ペア:

[(1, 11527280), (2, 5763640), (4, 2881820), (5, 2305456), (8, 1440910), (10, 1152728), (16, 720455), (20, 576364), (40, 288182), (80, 144091), (89, 129520), (178, 64760), (356, 32380), (445, 25904), (712, 16190), (890, 12952), (1424, 8095), (1619, 7120), (1780, 6476), (3238, 3560)]