11541520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1723

約数の個数: 40

約数和(自身を含む): 27152280

約数和(自身を除く): 15610760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1621, 1780, 3242, 3560, 6484, 7120, 8105, 12968, 16210, 25936, 32420, 64840, 129680, 144269, 288538, 577076, 721345, 1154152, 1442690, 2308304, 2885380, 5770760, 11541520]

約数ペア:

[(1, 11541520), (2, 5770760), (4, 2885380), (5, 2308304), (8, 1442690), (10, 1154152), (16, 721345), (20, 577076), (40, 288538), (80, 144269), (89, 129680), (178, 64840), (356, 32420), (445, 25936), (712, 16210), (890, 12968), (1424, 8105), (1621, 7120), (1780, 6484), (3242, 3560)]