1128520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 2575800

約数和(自身を除く): 1447280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 317, 356, 445, 634, 712, 890, 1268, 1585, 1780, 2536, 3170, 3560, 6340, 12680, 28213, 56426, 112852, 141065, 225704, 282130, 564260, 1128520]

約数ペア:

[(1, 1128520), (2, 564260), (4, 282130), (5, 225704), (8, 141065), (10, 112852), (20, 56426), (40, 28213), (89, 12680), (178, 6340), (317, 3560), (356, 3170), (445, 2536), (634, 1780), (712, 1585), (890, 1268)]