28867120

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4943}}^1$

素因数の和:5029

約数の個数: 40

約数和(自身を含む): 68049216

約数和(自身を除く): 39182096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 4943, 5840, 9886, 19772, 24715, 39544, 49430, 79088, 98860, 197720, 360839, 395440, 721678, 1443356, 1804195, 2886712, 3608390, 5773424, 7216780, 14433560, 28867120]

約数ペア:

[(1, 28867120), (2, 14433560), (4, 7216780), (5, 5773424), (8, 3608390), (10, 2886712), (16, 1804195), (20, 1443356), (40, 721678), (73, 395440), (80, 360839), (146, 197720), (292, 98860), (365, 79088), (584, 49430), (730, 39544), (1168, 24715), (1460, 19772), (2920, 9886), (4943, 5840)]