85197440

素因数分解:

$2^7\times 5^1\times {\mathrm{133121}}^1$

素因数の和:133140

約数の個数: 32

約数和(自身を含む): 203676660

約数和(自身を除く): 118479220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 133121, 266242, 532484, 665605, 1064968, 1331210, 2129936, 2662420, 4259872, 5324840, 8519744, 10649680, 17039488, 21299360, 42598720, 85197440]

約数ペア:

[(1, 85197440), (2, 42598720), (4, 21299360), (5, 17039488), (8, 10649680), (10, 8519744), (16, 5324840), (20, 4259872), (32, 2662420), (40, 2129936), (64, 1331210), (80, 1064968), (128, 665605), (160, 532484), (320, 266242), (640, 133121)]