69213520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9721}}^1$

素因数の和:9823

約数の個数: 40

約数和(自身を含む): 162746280

約数和(自身を除く): 93532760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 9721, 19442, 38884, 48605, 77768, 97210, 155536, 194420, 388840, 777680, 865169, 1730338, 3460676, 4325845, 6921352, 8651690, 13842704, 17303380, 34606760, 69213520]

約数ペア:

[(1, 69213520), (2, 34606760), (4, 17303380), (5, 13842704), (8, 8651690), (10, 6921352), (16, 4325845), (20, 3460676), (40, 1730338), (80, 865169), (89, 777680), (178, 388840), (356, 194420), (445, 155536), (712, 97210), (890, 77768), (1424, 48605), (1780, 38884), (3560, 19442), (7120, 9721)]